ROTOR Bottom bracket bsa30 bb ceramic Rouge C04-014-03010-0

Delivered with a tightening keyDoes your bike creak when you press hard on the pedals, has the movement of the crankset lost its fluidity or has it 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 crankset and your frame, so the first thing to do is to identify which crankset you want to fit in which frame ?Internal case diameter*Box width*MountingStandardRecommended bottom bracket axle**34.8 mm68 mmScrew onBSA / BSC24 mm / GXP / Dub 29 mm36 mm70 mmScrew onItalian24 mm37 mm90.5 mmPress onBB 90 (Trek)24 mm / GXP / Dub 29 mm41 mm86.5 mmPress onPF 86 (Shimano)24 mm / GXP / Dub 29 ...