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The folks from Race Face brought their BC-based mad skilz to play in designing this burly bottom bracket. It boasts custom retainer bearings and triple wiper seals to keep grease in and grit out. And it’s compatible with many Shimano and FSA external BB systems making for an excellent and easy upgrade to your all-mountain or cross-country ride. Made of 6066 aluminum. Tapering wall construction minimizes weight. Custom 6805 16-ball retainer bearing. Factory-filled with Phil Wood waterproof grease for extended bearing life. For X-Type or EXI cranksets. Interchangeable with select Shimano and FSA external Mountain BB systems.1 x Race Face right bearing cup incl. bearing
1 x Race Face lower bearing cup incl. bearing
1 x Race Face bottom bracket centre tube