Enduro Steel Bottom Bracket BB90/95 Road/MTN for Shimano Cranks

- XD-15 bottom bracket model is compatible with 24mm spindle cranks and GXP with included spacer - Kit contains 2 bearings and 2 seals - Abec-3 bearings are made of Grade 10 Chromium steel balls, high carbon Chromium alloy races hardened to R-62 and polished for noiseless movement - Zero Ceramic bearings use oversized Grade 3 ceramic balls, rolling on mirror finished races which receive Magnetite and Cryogenic treatments for hardness and longevity. They come close to "zero" rolling resistance - XD-15 ceramic bearings are the speediest and longest lasting, featuring Grade 3 Silicon Nitride balls and Nitrogen steel races, precision machined to ABEC-5 tolerancesToday's Stock Status 1 Ready to ship or pickup from Utah UPC: 811780021266 EAN: Not available Manufacturer Part Number: BK-5418 AB9810 BB4400 136195-Q1-L20D02