Problem Solvers Eccentric Bottom Bracket Shim - 57mm MFPN=ID7489-14 Get stamina feature insights while

Get stamina feature insights while you ride when paired with your compatible sensors so you can keep an eye on how much longer you can really push it

Durable and attractive anodized finish

Can handle fat BMX chains to 11s Campy and everything in between

Ceramic coating for increased drive chain protection

3Mm Color Yellow

Problem Solvers Eccentric Bottom Bracket Shim - 57mm MFPN=ID7489-14 Get stamina feature insights whileThese handy Problem Solvers Eccentric Bottom Bracket Shims allow you to fit your existing Eccentric Bottom Bracket into BB shells with inner diameters of 55mm or 57mm. Anodized black 6061 Aluminum Size 57Mm