Roto Grip Ball Reaction Chart
Royal Line
| Ball Name | Stroker | Tweener | Cranker | |
|---|---|---|---|---|
| Defiant™ | Length | |||
| Backend | ||||
Crown Line
| Ball Name | Stroker | Tweener | Cranker | |
|---|---|---|---|---|
| Critical Theory™ | Length | |||
| Backend | ||||
| Infinite Theory™ | Length | 8 | 7.5 | 7.5 |
| Backend | 19 | 19 | 19.5 | |
| Crown™ Clear Polyester | Length | 20 | 19 | 18 |
| Backend | 1 | 2 | 3 | |
Sword Line
| Ball Name | Stroker | Tweener | Cranker | |
|---|---|---|---|---|
| Bandit™ | Length | |||
| Backend | ||||
| Outlaw™ | Length | |||
| Backend | ||||
Shield Line
| Ball Name | Stroker | Tweener | Cranker | |
|---|---|---|---|---|
| Shooting Star™ | Length | 9 | 9 | 8 |
| Backend | 12.5 | 13.5 | 14.5 | |
| Rising Star™ | Length | 11 | 10.5 | 10 |
| Backend | 12 | 14 | 14 | |
| Grenade™ | Length | 16 | 15.5 | 14.5 |
| Backend | 7 | 8 | 9 | |
*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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