Is bat Rolling illegal in Little League?
Noah Mitchell
Published Jan 09, 2026
Bat rolling is not illegal. As a matter of fact, all composite bats must be rolled in testing before they are deemed legal for play. This is to make sure that as the bat gets hotter after more use, and it will not exceed the bat performance standards put in place.
How do you tell if a bat is rolled or shaved?
The most obvious way to tell if a bat has been shaved is to open the top end cap and look inside. This is because a bat will be shaved along the inside wall of the barrel and the only way to tell if this has happened is to look on the inside of the bat.
Does rolling a bat shorten its life?
This compression loosens the composite fibers in the barrel. As the barrel becomes more easily compressed, it creates better trampoline effect at impact. Rolling's effectiveness is a proven theory. Rolling will also shorten the total lifespan of your bat and void warranties.
Does rolling a bat really work?
We found rolling did increase the bat's average exit velocity but not by much. In our focused test (one bat, one hitter, 20 measured exit speeds) we found an increase of 1 mile per hour and just over 5 feet of distance. This was after we deceased the bats compression from a 1450 reading to a 1300 through rolling.
Can you roll a Bbcor bat?
The easy answer is YES, every bat will benefit from rolling regardless of whether or not bat manufacturers claim they are "Hot out of the wrapper" or not. BBCOR bats are excellent candidates for rolling. On most composite BBCOR bats, we are see improvements in the 20-25ft range.
18 related questions foundIs bat Rolling Illegal?
Is It Illegal? Bat rolling is not illegal. As a matter of fact, all composite bats must be rolled in testing before they are deemed legal for play. This is to make sure that as the bat gets hotter after more use, and it will not exceed the bat performance standards put in place.
Are shaved bats legal?
Bats that are broken, altered or that deface the ball are illegal. Materials inside the bat or treatments/devices used to alter the bat specifications and/or enhance performance (e.g., shaving, rolling or artificially warming the bat barrel) are prohibited and render the bat illegal.
What is heated bat rolling?
Heat Rolling - basically, heating up the bat before it's rolled. This temporarily stretches out the bat's fibers and allegedly makes bat rolling easier.
Is long ball bats legit?
This company is a joke. I do not recommend.
What makes a baseball bat illegal?
Generally, any tampering that changes the original specifications of the baseball bat will cause the bat to be illegal for any baseball league. Illegal tampering includes adjusting the bat's weight, length, or surface area. Certain levels of the game also have bat specifications that must be adhered to.
Should I get my softball bat rolled?
Softball bat rolling has many benefits to the bat. It stretches the bat's fibers evenly and allows for the entire barrel of the bat to be broken in so there are no dead spots. It will also enlarge the bat's sweet spot. It is possible that some bats will need 75-100 hits on them to fully break in even after rolling.
Do alloy bats lose Pop?
In theory, aluminum bats begin to lose pop over time as imperfections in the aluminum caused by hitting baseballs negatively affect the pop in the bat. While aluminum properties make it so the bats rarely break, they do indeed lose their pop in time.
What Ghost bats are illegal?
Please be aware there are two ghost bats – one is legal in USSSA but not certified by USA Softball and therefore not legal in High School or College; the other is certified by USA Softball but not USSSA so it is illegal for USSSA use but legal in High School or College.
Can you shave a USA bat?
Bat shaving is the illegal process by which a composite bat has the inside of its barrel cored out to become more flexible and have better performance. The practice is uncommon and considered dangerous.
How do you tell if a bat has been rolled?
Those who are in the business of rolling bats often advertise their services this way, guaranteeing that no umpire will be able to tell that your bat has been altered. In case when rolling wasn't performed perfectly, the biggest tell-signs are the roller marks along the length of the bat.
How do you make a US bat hot?
Heat your metal bat up. Leave it in the sun for the afternoon or leave it in a hot car. Place the bat on a surface that can withstand hammer hits such as collapsed cardboard boxes or pile of towels.
What is a bat break in service?
Composite bats may require a break-in period. If you feel your bat is not at optimal performance out of the wrapper, we recommend about 50-100 swings either off of a tee or by soft toss with a 1/4 rotation of the barrel after each swing.
Can you use a fast pitch bat for slow pitch?
Thus, you can't add as much power to the ball with a fastpitch bat considering the speed of a slowpitch throw. That being said, you get the best hits with the right bat for the right kind of softball. However, you can still use a fastpitch bat for slowpitch softball if you don't get separate bats.
Will a shaved bat pass a compression test?
Generally speaking, a broken in shaved bat will test lower than a very well broken in stock bat, but again........ there are exceptions. So the moral of the story is lower the compression score does not always translate into a hotter bat.
Can you shave aluminum bat?
Because impacting aluminum over time will stretch the alloy, thus weakening it allowing the bat to dent. Now lets bring in shaving.......... shaving thins down the inside of your bat. The end result is more rebound thus pushing the ball off the bat harder.
How much lighter is a shaved bat?
Shaved Easton USA bats and shaved baseball bats have a much lower swing weight than conventional bats. In a Just Bat Reviews test, a shaved bat swings 7% lighter than its originally identical counterpart. Removing the shavings from the bat got rid of an additional 1.5 ounces and deceased its MOI from 8800 to 8200.
Do heavier bats hit farther?
So, using a heavier bat should result in faster hit balls, which means the hit ball will travel farther. If a player can maintain the same bat swing speed with a heavier bat, the heavier bat will produce higher batted ball velocity and an increase in distance.
Why are Usssa bats illegal?
I knew that the leagues in our area had outlawed “USSSA” bats, because they had way too much pop, and adopted the “USA” bat standard, which strove to make bats that hit like wood ones, but maintained the durability of metal bats. It was partially a safety issue.
Why is the Marucci CAT 5 illegal?
Admittedly, the Marucci CAT 5 BBCOR bats (MCB2) weren't all banned, just the 33 inch and 34 inch models. The reason for the decertification was because the CAT 5 made any player a homerun threat. The bats were hotter than the sun's surface and it didn't take long for the governing bodies to notice.