The Campagnolo Pro-Tech bottom brackets are designed to ...
handle the toughest of conditions and keep you turning over with efficiency. They utilize an external sealing ring design that protects against water, mud and grit.
a snug & secure fit that also fully protects the face of the bearing delivers exceptional performance without any sacrifices. CeramicSpeed hand-built bearings carry the load from crank to frame with un-paralleled ...
BSA comes from Birmingham Small Arms, aka English ...
threading. English threading on mountain bikes means a 73mm wide, 34mm inside diameter shell with reverse threading on the drive side. It's the most common threaded standard employed today. This kit allows ...
41mm diameter shells that are 86.5mm wide and mate most cranks with a 30mm spindle to that standard. If you have a BB86 frame and want to install a 386EVO crank or ...