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:F64
Type:Reactive Solid
Box Finish:2000 Abralon
Color:Blue / Purple
Empty
Core Specs
Name:NA
Type:Asymmetrical
RG:2.487
Diff:0.054
Int. Diff:0.021

The AMF Grip gives rev-challenged bowlers all the extra help they need. The strong reaction to dry is ideal for those types of players who need extra help from the ball. When we saw that the cover of this ball was F64, we thought it would be pretty close to the Double Clutch. We couldn’t have been more wrong. The combination of the lower RG and higher differential combined with the surface change really makes this ball a monster.

All three testers preferred the Grip on our heavy oil pattern. The extra oil in the front allowed the Grip to store energy for the back end. Both Stroker and Tweener liked this one a lot. Cranker had to make surface adjustments much

The AMF Grip gives rev-challenged bowlers all the extra help they need. The strong reaction to dry is ideal for those types of players who need extra help from the ball. When we saw that the cover of this ball was F64, we thought it would be pretty close to the Double Clutch. We couldn’t have been more wrong. The combination of the lower RG and higher differential combined with the surface change really makes this ball a monster.

All three testers preferred the Grip on our heavy oil pattern. The extra oil in the front allowed the Grip to

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.