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Roto Grip SD-73 bowling ball

Roto Grip

SD-73

Released September 1998

Heavy OilEarly HookContinuous
Hook strength
10/10

Specs

Coverstock
Sure Grip Solid Solid Reactive
Core
High density cylinder with "flip" block Symmetric
RG
2.510
Differential
0.073
Factory finish
800 Matte
Released
September 1998

The oil, hook and strength labels are StrikeStack's estimate from the published specs, not the manufacturer's rating. Specs provided by bowwwl.com.

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