Save watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime BB90 bottom bracket standard Coated: metallic layer that covers bearing races making them 75% harder than steel. Even lower friction and highly resistant to corrosion Standard: low drag with hardened steel races and ceramic ball bearings Offered in 24mm for Shimano, FSA, Race Face, etc, and 28.99mm for SRAM DUB In the box: 2 BB90 bearings, 2 seals, 2 dust covers with built-in spacers, 10mm syringe of All Round Grease, and sticker sheet
model | coated | spindle interface | 24mm | shell | BB90 | shell ID | 37mm | width | 90.5mm | color | black | |