Detail
Race Face Road X-Type External Bottom Bracket Fits 68/73mm bottom bracket shells English threaded Engineered for trail riders that want a high performance BB that lasts Custom 6805 16 ball retainer bearings Bearings feature our custom triple wiper seal to better retain grease and keep contaminants out Bearings are factory filled with Phil Wood waterproof grease - tested and proven to extend bearing life Cups are forged and CNC machined from aerospace 6066 aluminum Bearings are fully serviceable with BBEXI tool Tapered wall spindle construction to minimize weight Custom CNC tool interface shaves weight while ensuring positive engagement with standard Shimano and Park tools Interchangeable with select Shimano and FSA external mountain BB systems