Hope BSA Threaded Bottom Bracket - 68/73mm For 24mm Spindle Stainless Purple Model=AK-5 Advanced Mechanic Tool Kit model Black Dog size 20"

model Black Dog size 20" internal/external 27/32mm holes 48h ERD 389mm color black weight 535g

Compatible with Bosch mid-drive E-bike systems

The Aris Aluminum stem is available in a wide range of lengths for versatility in fit and feature a four-bolt faceplate

Made out of 6061-T6 aluminum

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Hope BSA Threaded Bottom Bracket - 68/73mm For 24mm Spindle Stainless Purple Model=AK-5 Advanced Mechanic Tool Kit model Black Dog size 20"Hope BSA Threaded Bottom Bracket 68 73mm For 24mm Spindle Stainless Purple. Designed 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. TECH SPECS BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB Frame Interface English Bottom Bracket Shell I. D. 1. 37 Defined Color Purple Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA