Specialized bottom bracket adapter S121600003
Specialized S121600003 PF30/BB30 adapter to install 24 mm spindle Shimano groupset on Specialized OSBB frame.
Bearings not inlcuded.
Specialized S121600003 PF30/BB30 adapter to install 24 mm spindle Shimano groupset on Specialized OSBB frame.
Bearings not inlcuded.