Description
Wheels Manufacturing BSA Bottom Bracket Shimano MTB, ABEC-3 Bearings, Black Cups
Machined aluminum bearing cups thread in to a standard BSA frames.
- Includes replacement dust covers and seals
- CNC-machined aluminum shell for precise bearing alignment and frame fit
- ABEC-3 sealed bearings
- Grade 10 chromium steel balls, 52100 High Carbon Chromium Alloy Races
- Replaceable Enduro bearings
- Made in the USA