Columbia 300 Street Rally father a higher RG and medium

a higher RG and medium differential core

It can also be used as a ball cup to hold the ball in place

Wanna make your Roto Grip ball react better longer

0 and QR-12 Hybrid (HK22C) coverstock

this asymmetric beast fuses the game-changing Overload core with the most adaptable Propulsion cover yet: Propulsion MXV

Columbia 300 Street Rally father a higher RG and mediumColumbia 300 Street Rally provides more power in the shiny ball category. Built with a strong asymmetric core and enhanced with HK22C Formula 1 Pearl, which has a higher concentration of our friction adding additives, the Street Rally delivers a quick response at the breakpoint. This ball is designed for bowlers who want more from a shiny pearl, offering confidence on medium to heavy oil conditions with a motion that never misses the spot.