Description
Bottom bracket CeramicSpeed bb90 trek 37x90.5 sh, fsa, rotor 24mm
Bottom bracket BB90 Trek 37X90.5 for Shimano, FSA, Rotor 24mm For BB90 frames diameter 37, box width 90.5mm For Shimano, FSA, Rotor axis 24mm . CS bearings last 3 times longer than other bearings. Ceramic balls 100% smoother and 15% harder than the ceramic competition. Average drag reduction of 75% compared to most BB's Contents: 2 BB90 bearings / 2 seals / 2 protective covers with integrated spacers / 1 syringe 10ml of All Round grease / 1 sticker
