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BB30-24 for Shimano cranks Bearing Type:Corrosion Resistant Ceramic Bearings It fits 11 and 12

Description

It fits 11 and 12 speed Ultegra and Dura Ace derailleurs

improved shifting accuracy

Also: these are for road use only

No adapters

BB30-24 for Shimano cranks Bearing Type:Corrosion Resistant Ceramic Bearings It fits 11 and 12Fits a Shimano road crank to a 68mm wide BB Shell or a Shimano MTB crank to a 73mm wide BB Shell. Choose road bearings for road bikes, cross bearings for mountain bikes and cyclocross. Also for road bikes if you frequently ride on wet roads.

Exchange/Return Notes