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Roto Grip Ball Reaction Chart

Ball Name Stroker Tweener Cranker
Mutant Cell™ Pearl Length 9 8.5 8
Backend 18 18 19
Grenade™ Length 15 14.5 14
Backend 8 9 10
Golden Globe™ Length 20 19 18
Backend 1 2 3
Crown™ Clear Polyester Length 20 19 18
Backend 1 2 3
Rogue Cell™ Length 7 7 7
Backend 18.5 18.5 19
Nomad™ Length 10 10 9
Backend 13.5 14 15
Nomad™ Pearl Length 11 11 10
Backend 14 15 16
Mutant Cell™ Length 6 7 6
Backend 19 19 20
Dark Star™ Length 10 10 9
Backend 12 13 14
Riot™ Length 9 9 8
Backend 12 13 14

*Rev. Rate- Determined by your local pro shop professional

**Ball Speed- Average ball speed for the player tested Lane Pattern- 39 feet tapered house pattern (18ml total volume-medium oil) Balls- Were drilled with the pin 4" from the P.A.P. & the mass bias in the strong position Length and Backend- Based on 20 scale


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