Problem Solvers Eccentric Bottom Bracket Shell 54mm diameter 66mm width Silver Rim Width (Internal)-64 Security Rating: 8 of 15

Security Rating: 8 of 15

Non-Threaded bottom brackets for SRAM and Truvativ cranksets

Sturmey-Archer Indicator ChainsFor identification purposes two or three letter model codes are usually stamped on the hub shell

4 Tire Type Tubeless Ready Clincher

Problem Solvers Eccentric Bottom Bracket Shell 54mm diameter 66mm width Silver Rim Width (Internal)-64 Security Rating: 8 of 15Problem Solvers 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