BB WHMFG PF30-22/24MM Eccentric SRAM/TRUVATIV GXP Black Review Posted by GiantPandaisy July 14, 2018 in Drivetrain Components This fits your . Make sure this fits by entering your model number. Convert a PF30 frame to a single-speed or fixed-gear drivetrain Eccentric bottom bracket for adjusting chain tension on frames with vertical dropouts. x Cycling Outdoor Recreation Parts & Components Sports & Outdoors Wheels Manufacturing