Bottom bracket Rotor ubb4630 386 bb steel

 Description by sportisgood

High quality bottom bracket with bearings specially designed for 46mm BB386 Evo asymmetrical frames and 30mm crankset.Details:Bearing type: Steel46 mm outer dimension30 mm internal dimension Allows for mounting a 3D+ crankset Frame width 86mm.Compatible with BB386 Evo How to identify my bottom bracket´ Your bike creaks when you press hard on the pedals, the movement of the crankset has lost its fluidity or has become loose? The symptoms are clear: it's time to change your bottom bracket.

Like all the parts that make up your bike, the bottom bracket and especially its bearings are subject to wear.Its replacement is a simple operation if it is well prepared, indeed the multiplication of the standards of bearings, bottom bracket and frame will discourage some. We will try to guide you through this jungle of standards.

The bottom bracket is the interface between your bottom bracket and your frame, so the first thing to do is to identify which bottom bracket you want to fit in which ...