This core alteration results in less flare and less hook but with a more controllable reaction on medium oil conditions

The Robby's Revs II features a shorter design to provide medium power for light to medium lane oil conditions

so you can enjoy our groundbreaking products

Coverstock: HK22 - Evolution Hybrid

BSI Dash Single Roller Black Purple

900 Global Cruise Control Overseas Bowling Ball Weight:15 lbs. This core alteration results inThis is a rare overseas 900 Global bowling ball that is USBC approved for league play. Cover: Reserve Blend 901 Hybrid Reactive Core: Ellipticon Asymmetric CoreRG: 2. 51 (14lbs)Diff: 0. 054 (14lbs) Mass Bias: . 029 (14lbs)Color: Cherry White CornflowerSurface: 1500 Polish