BKS-54102 - 440C Stainless, Angular Contact, Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs sale The eleven-tooth upper and thirteen-tooth

The eleven-tooth upper and thirteen-tooth lower size and profile with 5mm bolt-holes are designed as an upgrade for most 11-speed Shimano GRX derailleurs

Needle Bearing OD - 15mm

high-pressure

All Enduro bearings are always engineered with the largest balls possible and feature dual lip labyrinth seals for maximum protection against sweat and the elements and to contain the 90% high pressure water proof grease

BKS-54102 - 440C Stainless, Angular Contact, Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs sale The eleven-tooth upper and thirteen-toothBKS 54102 stainless steel, Angular Contact, Bottom Bracket Bearing Kit for Shimano 24mm x 37mm External Cup BBs This kit includes two 440C stainless steel, Angular Contact bearings along with all of the necessary seals and spacers to complete a precise, professional installation. Enduro Angular Contact, 440C stainless steel balls and racesprovide long life and superior corrosion resistance in applications and environments that may be less than ideal.