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The bottom bracket lies at the heart of your drivetrain, so grab something reliable with the e*thirteen BSA Threaded Bottom Bracket. Fully sealed bearings provide smooth, durable performance.
EXA+ Aluminum
6806 Radial Bearings
For Bikes with BSA Threaded Bottom Bracket
Size | 68/73mm / 30mm Spindle | 83mm / 30mm Spindle |
---|---|---|
Weight (g) | 94 |