Bowler Ratings

PatternStTwCr
Oily:X.XX.XX.X
Medium:X.XX.XX.X
Dry:X.XX.XX.X
Sport:X.XX.XX.X

Bowler ratings are from 1 to 10 in order of Stroker (ST), Tweener (TW), Cranker (CR)

Note: Ratings are only available to our subscribers.

General Info

Coverstock Specs
Name:BTU (Better Than Urethane)
Type:Reactive Solid
Box Finish:500 / 1500 SiaAir
Color:Steel
Empty
Core Specs
Name:Low Differential I-Block Symmetric
Type:Symmetrical
RG:2.601
Diff:0.030
Int. Diff:0.000

The Fanatic BTU is a unique new release from Brunswick. The BTU uses the same I-Block symmetrical core shape as the Fanatic, but with density changes that increase the RG to 2.601″ and reduce the differential to 0.030″. This low-flaring high RG core is matched with the new Better Than Urethane (BTU) coverstock, producing a ball motion similar to the urethane of old, but with more downlane motion and an improved ability to handle higher volumes of oil.

Our three testers liked the Fanatic BTU best on our dry test pattern. For the closest comparison, we dusted off our Karma Urethanes for this review. The Karma Urethane shares the same box finish, but has a slightly lower RG and higher differential core. On our dry pattern, the BTU got a little farther down the lane before picking up, but it was much more continuous at the back end. The biggest difference was the way the BTU continued to get to the pocket

The Fanatic BTU is a unique new release from Brunswick. The BTU uses the same I-Block symmetrical core shape as the Fanatic, but with density changes that increase the RG to 2.601″ and reduce the differential to 0.030″. This low-flaring high RG core is matched with the new Better Than Urethane (BTU) coverstock, producing a ball motion similar to the urethane of old, but with more downlane motion and an improved ability to handle higher volumes of oil.

Our three testers liked the Fanatic BTU best on our dry test pattern. For the closest comparison, we dusted off our

Additional Brunswick Fanatic BTU Resources

Click here to visit Brunswick's website to read the manufacturer-supplied information on this ball. Also, see below for the manufacturer-produced promotional video for this ball.

Please remember that our reviews are solely based on our own test results and that you may sometimes find discrepancies between our comments / ratings and the manufacturer's claims. Links to these manufacturer resources are provided here strictly for convenience purposes.

The BTM Ball Testing Team

About The BTM Ball Testing Team

The BTM Ball Testing Team is led by Eric Martinez. Our team of three testers has thrown and reviewed hundreds of bowling balls for Bowling This Month. When not testing balls for BTM, Eric owns and operates University Pro Shop in San Antonio, TX and he is an avid competitive bowler. Click here to learn more about how we test and review bowling balls.