StrikeStack
Ball library
Columbia 300 Alter Ego bowling ball

Columbia 300

Alter Ego

Released March 2004

Heavy OilEarly HookTraction
Hook strength
8/10

Specs

Coverstock
UFO (Ultimate Friction in Oil) Solid Reactive
Core
Asymmetrical Shaped Core with Top Flip Block Asymmetric
RG
2.527
Differential
0.046
Intermediate diff (mass bias)
0.010
Factory finish
1200 Sanded
Released
March 2004

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

Balls that react like the Alter Ego

More from Columbia 300