Bat rolling has been one of the most debated topics in baseball and softball for more than two decades. Ask ten players whether bat rolling works, and you'll probably hear ten different opinions. Some believe it simply speeds up the break-in process. Others think it damages bats, while some assume it is no different than bat shaving.
The reality is much more complicated.
Composite bats are engineered to change over time. Every swing slightly alters how the barrel responds. As the composite fibers begin to break up through repeated impact, the barrel gradually becomes more responsive than it was when it came out of the wrapper. Bat rolling attempts to accelerate that natural break-in process through controlled pressure applied across the barrel instead of relying on hundreds or even thousands of swings.
Unfortunately, bat rolling is also surrounded by myths, exaggerated marketing claims, and misinformation. Some companies promise impossible performance gains. Others advertise services for bats that should never be rolled in the first place. Players researching bat rolling are often left wondering who to believe.
That is exactly why this guide exists.
Since 2006, Big Dawg Bats has specialized in composite bat performance. During that time, we have serviced more than 50,000 composite baseball and softball bats, tested thousands of compression readings, repaired damaged bats, and watched nearly every major bat manufacturer change composite technology multiple times.
Those experiences have taught us something important.
Every composite bat is different.
Some barrels respond quickly. Others require extensive break-in before they begin performing at their potential. Some bats become noticeably more responsive with controlled accelerated break-in, while others show much smaller changes. Understanding those differences is far more valuable than believing blanket claims that every bat behaves the same way.
This article brings together everything we've learned over the past twenty years.
Whether you're wondering what bat rolling is, whether it actually works, what happens to compression, whether it can damage your bat, or how to choose the right bat rolling service, this guide will answer those questions using real-world experience rather than marketing hype.
Thing #1: Does Bat Rolling Actually Work? (And What Does It Really Do?)
This is the first question almost every player asks.
Does bat rolling actually work?
The short answer is yes—on composite bats, bat rolling can accelerate the natural break-in process.
The longer answer is where most of the misinformation begins.
Many people assume bat rolling somehow "creates" performance that wasn't already there. That isn't an accurate way to think about composite bat technology.
Composite bats are designed to evolve as they're used.
Unlike alloy bats, which generally perform very similarly throughout their life, composite bats gradually change as repeated impacts cause the barrel to become less stiff. The sweet spot often becomes more forgiving, barrel flex increases, and the overall feel of the bat changes.
Every player who has swung a brand-new composite bat beside one with hundreds of swings has probably noticed this.
The older bat often feels completely different.
That change is called break-in.
Bat rolling is simply another method of reaching that stage more quickly.
Instead of relying solely on batting practice and game swings, a bat rolling machine applies controlled pressure while rotating the barrel. When done correctly, the pressure is distributed evenly across the hitting surface rather than repeatedly stressing the same impact locations created during normal batting practice.
Think of it this way.
Natural break-in asks one baseball or softball at a time to slowly teach the barrel how to flex.
Bat rolling attempts to spread that work more evenly across the barrel in a controlled environment.
That is why many players describe a properly rolled composite bat as feeling more like a naturally broken-in bat rather than a brand-new one.
What bat rolling does not do is magically transform every bat into the hottest bat you've ever swung.
That is one of the biggest misconceptions in the industry.
The amount a composite bat responds depends on many factors, including:
- Composite construction
- Barrel stiffness
- Resin system
- Carbon fiber layers
- One-piece versus two-piece design
- Previous break-in
- Existing compression
- Age of the bat
- Overall condition
Some bats respond dramatically.
Others respond modestly.
Some are already so well broken in that additional rolling produces very little noticeable change.
That is why experienced bat rollers never promise identical results for every model.
If someone advertises that every bat gains the same amount of performance or distance, they are oversimplifying how composite barrels actually work.
What Is a Rolled Bat?
One of the most common questions searched online is:
"What is a rolled bat?"
A rolled bat is simply a composite bat that has gone through a controlled rolling process intended to accelerate its break-in.
No material is removed from the barrel.
The bat's internal wall thickness is not cut away.
Instead, controlled pressure is applied externally while the barrel is rotated through multiple positions.
This is very different from bat shaving, which physically removes composite material from inside the barrel wall.
Because these two services are often confused, many players researching rolled baseball bats, rolled softball bats, or rolled and shaved bats end up comparing processes that work in completely different ways.
We'll discuss those differences later in this guide.
Thing #2: Will Bat Rolling Work on My Bat?
After players learn that bat rolling can accelerate the break-in process, the next question is almost always more personal:
Will it actually work on my bat?
The honest answer is one that many companies avoid because it doesn't fit into a simple sales pitch.
Not every composite bat responds the same way.
That is something I've learned after working on more than 50,000 composite baseball and softball bats since 2006.
Some composite barrels wake up dramatically after controlled break-in.
Others change much more gradually and take more work on the bat rollers.
A few models change very little because of how they were engineered.
That isn't because the rolling process changed.
It's because the bat changed.
Composite bats can use different carbon fiber layers, resin systems, and barrel wall thicknesses. They can also vary in connection-piece design and overall stiffness profile, which is why two bats that look similar can respond very differently during break-in.Even bats from the same manufacturer can behave completely differently. And if you have been around long enough you will know that sometimes the same exact model and year will be different because they were made at different times (serial numbers sometimes matter)
I've seen one Easton model become noticeably more responsive after break-in while another Easton released the same year required far more work before the barrel started opening up.
The same is true with Louisville Slugger, DeMarini, Worth, Miken, Rawlings, Anarchy, Short Porch, Victus, Marucci, Combat, Proton, Suncoast, Monsta, and virtually every other manufacturer.
The name on the bat tells you surprisingly little about how that particular barrel will respond.
The construction tells you much more.
New Composite Bats Usually Show the Greatest Change
One pattern has remained remarkably consistent over the years.
The biggest improvements generally come from bats that are still relatively stiff.
That's exactly what you'd expect.
If a composite barrel hasn't had time to fully break in through batting practice or game swings, there is usually more room for the barrel to develop.
On the other hand, a bat with thousands of quality swings already on it may already be close to where it's naturally going to end up.
Rolling can't repeatedly "re-break in" a barrel that's already fully developed.
This is why I always ask customers questions before recommending a service.
- Is the bat brand new?
- Approximately how many swings are on it?
- Has it already been rolled?
- Has it been compression tested?
- Has it developed any cracks or rattles?
- Is it one-piece or two-piece?
- Is it composite or alloy?
Those answers matter.
The best bat rolling service isn't the one that rolls every bat exactly the same.
It's the one that understands when a bat is actually a good candidate for rolling.
Composite Bats vs. Alloy Bats
This is one of the biggest myths on the internet.
People frequently search:
- How do you roll a bat?
- How to roll a bat
- Rolling a bat
- Baseball bat roller
Unfortunately, many new players assume every bat can be rolled.
That simply isn't true.
Composite bats and alloy bats behave very differently.
Composite barrels gradually loosen as the carbon fiber structure breaks in.
Alloy barrels do not.
That's why you've probably heard me say many times:
If someone is trying to sell you alloy bat rolling, you should run.
The science behind composite barrels simply doesn't apply to aluminum in the same way.
That's main reason we don't offer alloy bat rolling.
I'd rather tell someone "this won't help your bat" than charge for a service that does not provides any value.
Does Every Type of Composite Bat Respond the Same?
No.
Different categories of composite bats can behave very differently.
For example:
USSSA Baseball
Many USSSA composite baseball bats are designed to continue developing through use.
Most become significantly more responsive after a proper break-in period.
BBCOR
BBCOR bats often have much stricter performance limits.
Many composite BBCOR models still break in, but the changes are usually more subtle than players expect.
Fastpitch
Fastpitch bats often have unique barrel designs that respond differently depending on the manufacturer and construction, all requiring a break-in.
Slowpitch
Slowpitch composite bats are among the bats where players most commonly notice changes during the break-in process because many models begin life with relatively stiff composite barrels.
Senior Softball
Senior bats are built around different performance standards and construction methods.
Experience with that specific category matters because treating every senior bat like a USSSA baseball bat isn't the right approach. Senior bats are some of my favorites to roll because the outer shell can handle higher compressions of the barrel, creating a complete break-in.
What About Heat-Rolled Bats?
Another phrase that appears frequently in search results is:
"Heat rolled bats."
The term usually refers to combining heat with the rolling process.
Some companies promote heat as a way to make composite barrels more flexible during rolling.
The problem is that many of the claims surrounding heat are exaggerated.
Composite materials are affected by temperature, but that doesn't mean adding heat automatically produces a better result and some bats will not even respond to heat rolling.
In my experience, far more damage has been caused by excessive pressure and poor technique than by whether a bat was warmed during the process.
The person operating the machine matters far more than a marketing phrase like "heat rolled."
One of the Biggest Lessons I've Learned Since I Started Bat Rolling
If there's one thing servicing tens of thousands of bats has taught me, it's this:
No two composite bats should be treated exactly the same.
The pressure, number of passes, barrel characteristics, and overall condition all matter.
That's why I cringe when I see advertisements claiming every bat gets the exact same treatment.
That's not expertise.
That's a production line.
Professional bat rolling isn't about finding one setting that works for everything.
It's about understanding the bat sitting in front of you.
Thing #3: What Happens to Compression and Performance?
If you've spent any time researching bat rolling online, you've probably seen people use words like hotter, broken in, compression, exit velocity, and barrel flex almost interchangeably.
That creates a lot of confusion because those terms don't all describe the same thing.
The conversation should start with compression, not distance.
Why?
Because compression tells you something measurable about how stiff the barrel is at a specific location.
While a compression reading doesn't tell you everything about how a bat will perform, it provides valuable insight into how the barrel has changed over time.
That's why compression testing has become one of the most useful tools available for evaluating composite bats.
If you want to learn more about how compression testing works, read:
Or if you're new to compression numbers, our guide explains What Is a Good Bat Compression Number?
What Is Bat Compression?
A composite bat is designed to flex when the ball strikes the barrel.
When the bat is brand new, that barrel is usually stiffer.
As the bat is used, the composite materials gradually loosen and the barrel generally becomes easier to compress; compression numbers get lower with more flex.
That change is what many players describe as the bat "opening up."
Compression testing simply gives us a way to measure part of that process.
Instead of relying on feel alone, we can observe how the barrel's resistance changes over time.
That doesn't mean a compression tester measures performance directly.
It doesn't.
It measures barrel stiffness.
Understanding that distinction is important because two bats with similar compression readings may not perform identically.
Construction, barrel design, swing weight, connection systems, and composite layers all influence how a bat feels and performs.
Does Bat Rolling Change Compression?
Almost always, yes.
That's one of the primary reasons players choose to have a composite bat rolled.
A controlled rolling process attempts to accelerate the same gradual reduction in barrel stiffness that normally occurs through repeated game swings or countless BP sessions.
In other words, rolling doesn't create an entirely different process.
It attempts to speed up one that already happens naturally.
Exactly how much compression changes depends on several factors.
These include:
- The bat model
- Composite layout
- Existing break-in
- Starting compression
- Composite stiffness
- Previous use
- Overall condition
I've rolled two bats of the exact same model that responded completely differently because one had already been heavily broken in while the other was still extremely stiff.
That's why making blanket claims like "rolling lowers compression by X pounds" simply isn't accurate.
Composite bats don't all follow the same script.
If you'd like a deeper explanation, see:
Can Bat Rolling Increase Compression?
Why Compression Isn't the Whole Story
One mistake I see online is people treating a single compression number as though it tells the entire story of a bat.
It doesn't.
Compression is one piece of a much larger picture.
When evaluating a composite bat, I also consider:
- Barrel responsiveness
- Sweet spot consistency
- Overall barrel feel
- Previous use
- Visible wear
- Structural condition
- Sound
- Customer feedback
- Bat model history
Compression helps answer questions.
It doesn't answer every question.
That's why experienced bat rollers don't rely on one number alone.
How Break-In Changes Performance
As composite bats break-in through use, players often notice several changes.
The barrel may feel more responsive.
The sweet spot may become more forgiving.
Miss-hits sometimes feel less harsh.
The bat may develop a different sound compared to when it was brand new.
Those observations are common among players, but the timing and degree of change vary from one model to another.
Some bats evolve quickly.
Others require hundreds of swings before the difference becomes obvious.
That is one reason experienced players often describe certain composite bats as "needing time to wake up."
Natural Break-In and Bat Rolling Are Working Toward the Same Goal
This is where many people misunderstand the process.
Natural break-in and bat rolling are not trying to create two different bats.
They're working toward the same general outcome:
A composite barrel that has progressed beyond its brand-new stiffness.
The difference is simply how that progression occurs.
Natural break-in relies on repeated ball impacts.
Bat rolling uses controlled pressure to accelerate that progression.
Neither process changes the fact that every composite bat eventually reaches a point where additional break-in provides diminishing returns as in a bat actually can be over-rolled.
That's another reason why rolling an already well-developed barrel often produces much smaller changes than rolling a stiff new composite bat.
One Thing I've Learned From Thousands of Compression Tests
If I could give players one piece of advice, it would be this:
Don't chase a specific compression number.
I've seen bats with similar readings perform differently.
I've also seen bats with noticeably different readings feel surprisingly similar.
Compression is an incredibly useful diagnostic tool, but it's only one part of understanding a composite bat.
That's why, when a customer asks me whether their bat should be rolled, my answer rarely starts with the compression number alone.
It starts with understanding the bat, its history, its construction, and what the player is trying to accomplish.
Thing #4: What Are the Risks and Biggest Mistakes to Avoid?
By now, you understand that bat rolling is designed to accelerate the natural break-in process of a composite bat. But just because the process can work doesn't mean every bat should be rolled or every company should be trusted to do it.
Over the years, I've seen far more damage caused by poor workmanship than by bat rolling itself.
I've also seen players spend money on services that never should have been recommended in the first place.
The reality is that a properly controlled rolling process and an improperly performed one are two completely different things.
Knowing the difference can save you hundreds of dollars—and potentially your bat.
Big Dawg Insight
One of the most common conversations I have with customers starts with, "I wish I had sent my bat here first."
Unfortunately, many customers have gotten bats back that have not been touched or not rolled to their fullest potential. I have received many bats over the years that have needed to be repaired, reworked or re-rolled; I learn so much from my all my competitors because of this.
Mistake #1: Believing Every Bat Should Be Rolled
This is probably the biggest misconception in the industry.
Not every bat is a good candidate for bat rolling.
For example:
- A heavily used bat that's already fully broken in may gain very little from additional rolling.
- A bat with structural damage, cracking, or severe barrel wear may not be a good candidate at all.
- Alloy bats do not respond like composite bats and generally should not be marketed as meaningful bat rolling candidates.
- JBB (Junior Big Barrel) bats are too short fit in the bat rolling machine and the composite is too thin to roll.
A trustworthy bat rolling service should be willing to tell you when rolling doesn't make sense, even if that means turning away work.
Mistake #2: Choosing a Service Based on Extreme Performance Claims
If you've researched bat rolling online, you've probably seen advertisements promising incredible results.
Claims like:
- "Upgraded Maximum rolling"
- "Alloy Barrel Optimization"
- "Add massive distance"
- "Guaranteed hottest bat."
Those claims should raise questions.
Every composite bat is different.
The amount a bat changes depends on its construction, current condition, previous break-in, and many other factors. No experienced technician can honestly promise identical results for every model.
Be cautious of marketing that sounds too good to be true; Big Dawg bat rolling service always tells it like it is, no fluff, no ridiculous claims.
Mistake #3: Assuming More Pressure Is Better
One of the quickest ways to damage a composite bat is using excessive pressure.
A properly calibrated rolling machine applies pressure gradually and evenly across the hitting surface and will produce a drop in compression of the bat.
More pressure doesn't automatically produce a better result.
In fact, excessive pressure can increase the risk of:
- Roller marks
- Pressure lines
- Graphic damage
- Premature barrel failure
- Uneven barrel response
Professional bat rolling is about control, not force.
Mistake #4: Confusing Heat Rolling With Better Rolling
Many players search for heat rolled bats or ask what does heat rolling a bat do?
The truth is that the phrase "heat rolling" is often used as a marketing term without much explanation.
Composite materials are influenced by temperature, but adding heat by itself does not guarantee a better outcome.
The quality of the process depends far more on:
- The condition of the bat
- The amount of pressure used
- The operator's experience
- Understanding how that particular model responds
A poorly performed heat rolling process is still a poorly performed rolling process.
Experience matters much more than the phrase used in the advertisement.
Mistake #5: Ignoring the Signs of an Improperly Rolled Bat
Another common question players ask is:
"How can you tell if a bat has been rolled?"
When rolling is performed correctly, there may be little or no visible evidence on the outside of the bat.
However, improper rolling can sometimes leave obvious clues.
These may include:
- Roller marks
- Pressure lines
- Damaged graphics
- Gouges
- Flattened areas
- Unusual barrel deformation
Visible damage doesn't automatically mean a bat was rolled, but it can indicate poor handling or excessive pressure during the process.
Likewise, the absence of visible marks does not prove a bat has never been rolled.
That's because compression testers measure barrel stiffness—they don't determine whether a bat has been rolled.
Big Dawg Insight
I've seen the same problems appear over and over when bats are rolled improperly.
One of the most common involves broken or loose end caps. This usually happens because the barrel was rolled too close to the end cap, allowing the barrel to flex in an area that wasn't intended to be worked. I've seen this frequently on 2023-present Rawlings Icon models, where improper rolling can place unnecessary stress on the end cap assembly.
Another issue is end caps that separate during use. Again, this is often the result of applying pressure too close to the end of the barrel rather than keeping the rolling process focused on the proper hitting area.
I also regularly see paint chipping, finish damage, and surface cracking on composite bats that have been over-rolled. In many cases, excessive pressure is used without properly controlling the process, leaving cosmetic damage that some companies simply ship back to the customer without addressing. If you're researching bat rolling companies, spend a few minutes reading customer reviews—you'll often find these types of issues mentioned by players who experienced them firsthand.
Finally, I've seen scratches and gouges caused by poorly designed or poorly maintained bat rolling machines. When a bat shifts or moves during rolling, the machine itself can scrape the barrel, leaving permanent cosmetic damage that has nothing to do with normal bat use.
These are not problems caused by composite bats.
They're problems caused by poor technique, poor equipment, or rushing the process.
What About Bat Rolling Scams?
Like many industries, bat rolling has its share of exaggerated marketing.
The biggest warning signs include:
- Advertising alloy bat rolling as though it produces a break-in and compression drop.
- Making guaranteed performance claims, "50ft of distance gained".
- Promising identical results for every bat.
- Huge compression jumps, especially on BBCOR and USA bats.
- Selling "proprietary techniques" or "maximum" rolling packages without explaining what actually changes.
A reputable company should be willing to explain its process, discuss realistic expectations, and answer your questions without relying on hype.
If you'd like to learn more about common industry myths and misleading claims, read:
Even after learning how bat rolling works, players still have questions about legality, compression, durability, and whether rolling is the right choice for their bat. Below are answers to some of the most common questions we've received over the years.
What Is Bat Rolling?
Bat rolling is a process that accelerates the natural break-in of a composite bat by applying controlled pressure to the barrel. This pressure helps the composite barrel become more flexible over time, similar to what normally happens after hundreds of swings during batting practice and game play. As the barrel becomes less stiff, it also becomes more responsive at impact, which improves barrel performance compared to when the bat was brand new.
What Does Rolling a Bat Do?
Bat rolling breaks in a bat while increasing batted ball distance and opening up the sweet spot just as a fully naturally broken in bat does. In laymen terms: making the bat hot, huge sweet spot, noticeable pop, not glass but still fire.
Does Bat Rolling Actually Work?
Yes, bat rolling can work on composite bats by accelerating the natural break-in process. Instead of waiting for hundreds of swings to gradually loosen the barrel, a properly calibrated rolling machine applies controlled pressure to help reduce barrel stiffness. As the barrel becomes more flexible, it can feel more responsive at impact, similar to a naturally broken-in bat. Results vary by bat model, composite construction, barrel thickness, compression level, and prior use. After more than 20 years experience, I’ve found the best results come from treating each bat individually rather than assuming every composite bat responds the same way.
Will Bat Rolling Work on Every Composite Bat?
Yes and No; Every composite bat responds differently to the break-in process but most every bat breaks in naturally over time so bat rolling can help shorten that time. Factors such as composite layering, barrel stiffness, construction, previous use, and even manufacturing differences can influence how much a bat breaks in over time. It's also important to understand that Junior Big Barrel (JBB) composite bats should not be rolled. Their barrels are too short to fit properly in a bat rolling machine, and their extremely thin barrel walls prevent enough controlled pressure from being applied to produce an effective break-in and in most cases will end up cracking the bat. Professional bat rolling should always be tailored to the specific bat rather than using a one-size-fits-all approach.
Does Bat Rolling Change Compression?
Yes. One of the primary purposes of bat rolling is to accelerate the natural break-in process, which typically reduces the barrel's stiffness over time. As the composite barrel becomes less stiff, compression readings often change as well. However, there is no universal amount of compression change because every composite bat is different. Factors such as barrel construction, composite layup, previous use, and the bat's overall condition all influence the results. If you'd like to learn more about how compression changes during the break-in process, read Can Bat Rolling Increase Compression?
Is Bat Rolling Illegal?
Bat rolling itself is not illegal, but whether a rolled bat is permitted in competition depends on the rules of the league or sanctioning body. Many organizations prohibit the use of altered or modified equipment in sanctioned play, so it's important to review the rules that apply to your league before using a rolled bat. Recreational play, batting practice, and other non-sanctioned uses may have different standards. If you're planning to use a rolled bat in organized competition, always verify the current rules with the governing organization rather than relying on assumptions or outdated information.
Is Bat Rolling Illegal in USSSA?
Yes, the USSSA has wording in their by laws specifically about bat rolling. "The bat has been subjected to pressure in a manner that exceeds that of striking the bat at game speed swing speed against a USSSA approved ball traveling at game speeds. Such pressure would include, but is not limited to, compressing the bat, rolling the bat, vicing the bat or hitting the bat against an object such as a tree or pole." (This covers baseball, softball and fastpitch)
Is Bat Rolling Illegal in Little League?
Little League's official Bat Modifications and Alterations Policy states that "No bat, in any level of Little League® Baseball or Softball play, is permitted to be altered." This is kind of gray area because they also state that altering a bat to enhance performance is considered an unfair advantage. They should be more clear but it is assumed that bat rolling is bat altering.
Is Bat Rolling Illegal in USA Baseball?
Yes. Under the USA Baseball Bat Standard, a rolled bat is considered an altered bat and is no longer compliant with the USA Bat Standard. USA Baseball states that "Once a bat has been altered, it is no longer considered compliant under the USABat Standard. Tampered bats are not legal for play under youth baseball rules." USA Baseball also explains that tampering with a bat voids the manufacturer's warranty and may violate certain federal or state laws. Players participating in USA Baseball-sanctioned leagues should use only unaltered bats that comply with the current USA Bat Standard.
Is Bat Rolling Illegal in High School Baseball or Softball?
Yes. Under NFHS rules, altered bats are not legal for high school play. NFHS baseball rules state that bats that are “broken, altered or that deface the ball are illegal,” and that treatments or devices used to alter bat specifications or enhance performance are prohibited. NFHS softball guidance also identifies rolling, shaving, warming, or other intentional structural changes as bat alteration. For high school baseball or softball, a rolled bat should not be used in sanctioned competition.
Is Bat Rolling Illegal in USA Softball / ASA Slowpitch?
Yes. USA Softball, formerly ASA, considers a rolled bat to be an altered bat. USA Softball’s rulebook states that approved bats are considered altered if they are rolled, shaved, repainted, weighted, or modified to change the bat’s characteristics from how it was produced by the manufacturer. That means a rolled USA/ASA slowpitch bat should not be used in USA Softball sanctioned play. Players should always use bats that meet current USA Softball equipment rules without modification. (This is also illegal in USA fastpitch)
Is Bat Rolling Illegal in SSUSA?
Yes. SSUSA considers a rolled bat to be an altered bat, and altered bats are not permitted in SSUSA-sanctioned play. Under SSUSA rules, modifications such as rolling, shaving, or other physical changes intended to affect performance make a bat illegal for competition. Players should always use bats that comply with current SSUSA equipment standards and avoid using altered bats during sanctioned games.
Can You Tell if a Bat Has Been Rolled?
Not with complete certainty. A properly rolled composite bat often shows little or no visible evidence that it has been rolled. However, improper rolling may leave signs such as roller marks, paint damage, broken or loose end caps, or barrel deformation. Compression testing can measure changes in barrel stiffness, but it cannot determine whether a bat has been rolled, since a naturally broken-in bat may produce similar compression readings. In most cases, there is no single test that can definitively prove a composite bat has been rolled.
Is Bat Rolling the Same as Bat Shaving?
No. Bat rolling and bat shaving are two completely different processes. Bat rolling accelerates the natural break-in of a composite bat by applying controlled pressure to the barrel, while bat shaving involves removing material from the inside of the barrel to reduce wall thickness. Because shaving physically changes the bat's construction, it generally produces a much greater performance increase than rolling, but it also has a significantly greater impact on durability and alters the bat beyond its original design. If you'd like to learn more about the differences, read Bat Rolling vs. Bat Shaving or learn more about our Bat Shaving Service.
Is It Better to Buy a Rolled Bat or Roll My Own?
The answer depends on your situation. If you already own a composite bat that you like, having it professionally rolled can accelerate its natural break-in while allowing you to keep using a bat you're already comfortable swinging. On the other hand, purchasing a professionally rolled bat may be a good option if you're looking for a bat that's already gone through the break-in process. Regardless of which option you choose, it's important to understand that every composite bat responds differently, and no two bats will perform exactly the same.
Related Links