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Track Proof Pearl bowling ball

Track

Proof Pearl

Released September 2020

Medium OilMid HookAngular
Hook strength
6/10

Specs

Coverstock
Prime Response Pearl Pearl Reactive
Core
Proof Asymmetric
RG
2.519
Differential
0.052
Intermediate diff (mass bias)
0.020
Factory finish
500/1000 Siaair, Crown Factory Compound
Released
September 2020

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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