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Brunswick Kingpin Rule bowling ball

Brunswick

Kingpin Rule

Released January 2019

Heavy OilEarly HookAngular
Hook strength
10/10

Specs

Coverstock
ECA-XR Solid Solid Reactive
Core
Kingpin Ultra Low RG Asymmetric
RG
2.483
Differential
0.055
Intermediate diff (mass bias)
0.020
Factory finish
500/2000 Siaair Micro Pad
Released
January 2019

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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