- bowwwl
- Bowling Ball Database
- Roto Grip
- Coverstocks
- Retrothane
Retrothane
Type
Urethane Solid
Balls with the Roto Grip Retrothane Coverstock
Ball | Release Date Sort ascending | Core | RG | Diff | MB Diff | US/Overseas Release | Discontinued | |
---|---|---|---|---|---|---|---|---|
Grenade (2010) | PhotonSymmetric | 2.580 | 0.040 |