Eccentric Bottom Bracket Shell, 54mm diameter, 66mm width, Silver

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
• Compatible with Eccentric Bottom Brackets
• Chromoly 4130 Steel construction
• Weighs 244g