The Eccentric Bottom Bracket Shell can be welded into a bicycle frame, specifically designed to accept an Eccentric Bottom Bracket. For the utmost in drive-train versatility, build your frame around this Shell. Problem solved!
- 54mm inside diameter, 59mm outside diameter
- 66mm standard width, 68mm total length
- Chromoly 4130 Steel construction
- Compatible with Eccentric Bottom Brackets
- Weighs 244g