Problem Solvers Eccentric Bottom Bracket Shell 54mm diameter 66mm width Silver MFPN=00.4118.421.021 } Strong Velcro strips for

} Strong Velcro strips for a secure closure

} Anti-angle grinder wall anchor - at least 20x more resistant than standard anchors

8mm rise +/- 6 deg length 80mm color black

Built in Bozeman

Problem Solvers Eccentric Bottom Bracket Shell 54mm diameter 66mm width Silver MFPN=00.4118.421.021 } Strong Velcro strips forProblem 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