Ball NPS Score: Not Available
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The Columbia 300 Rally is a high-performance release that builds on the success of the acclaimed Speed series. Featuring the trusted Shifter core—one of Columbia 300’s most proven asymmetric designs—the Rally elevates performance to new heights. Its HK22 coverstock, enhanced with Cohesion and Formula 1 additives, is finished at 2000 grit for the perfect balance of strength, control, and versatility. Designed to excel on medium to oily lane conditions, the Rally is a reliable go-to option for bowlers seeking consistency and power. Take your game to the next level with the Columbia 300 Rally.

Details & Specs

Color
Royal Blue / Lime / Silver
All colors do vary somewhat from the picture shown
Core
Shifter (14-16#)
Coverstock
HK22C - Formula 1 Hybrid Reactive
A few tiny pit holes in the cover stock of the ball are normal
Finish
500, 2000 Siaair Micro Pad
RG
2.478 (15# ball)
Differential
0.050 (15# ball)
Mass Bias Diff
0.015 (15#)
Hook Potential
High
Length
Medium
Recommended Lane Condition
Medium to Heavy Oil
Reaction
Strong overall hook