Hope Stainless External Mountain 68/73 Bottom Bracket Black Mountain FatBike Cranksets - Made from the same

- Made from the same materials as their full-sized counterparts

Full CNC machined AL6061-T6 alloy construction

Manufacturer Part Number: RF738-GKSK-D

SKF damper cartridge seals

- Dense weave polyamide casing with brown sidewall

Hope Stainless External Mountain 68/73 Bottom Bracket Black Mountain FatBike Cranksets - Made from the sameDesigned to face the worst British weather has to offer, Hope's threaded bottom brackets feature high quality sealed cartridge bearings and fit a variety of cranksets. Product Specifics Defined Color: Black Bottom Bracket Shell I. D.: 1. 37 Spindle Interface Type: Compatible with Shimano Hollowtech II Spindle Interface Type: FSA MegaExo Spindle Interface Type: FSA MegaExo Light Spindle Interface Type: RaceFace EXI Weight: 110 BB Shell Width (mm): 68