bathoutdoors.co.uk loves Surly Fat Bikes & the best way to keep them rolling is with one of these Surly 100mm O.D Crankset Bottom Brackets. Perfect for fat Bikes with 100mm bottom bracket shells.
Surly says -
OD Specification for 100mm
BB Shell Width (mm): 100 mm
BB/Frame Interface: English
Bearing I.D. is 24mm
Spindle Interface Type: Surly OD , Shimano Hollowtech II
Surly says -
OD Specification for 100mm
BB Shell Width (mm): 100 mm
BB/Frame Interface: English
Bearing I.D. is 24mm
Spindle Interface Type: Surly OD , Shimano Hollowtech II