Bottom bracket Rotor bb30 bearing set steel

Product Description

How to identify my bottom bracket? To know more about it Does your bike creak when you press hard on the pedals, has the bottom bracket lost its smoothness or 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 mm41 mm89,5 mmÀ PresserPF 90 (Shimano)24 mm / GXP / Dub 29 mm42 mm68 mmÀ PresserBB 3030mm / Dub 29 mm42 mm79 mmÀ PresserBB Right30mm / Dub 29 mm46 mm61 mmÀ PresserSpecialized30mm / Dub 29 mm46 mm68 mmÀ PresserPF 3030mm / Dub 29 mm46 mm79 mmÀ PresserBB Right PF 36030mm / Dub 29 mm46 mm86,5 mmÀ Presser386 EVO30mm / Dub 29 mm We advise you to dismantle your original box to measure precisely the dimensions of the bottom bracket of your frame ** This compatibility is given as an indication, there are also boxes 'adapters' which allow to mix the standards. MORE INFORMATION How to replace a Press-Fit? Specifications - Crate width 68 Standard BB30 Caster Internal diameter 42 Bearing quality Steel Crankset axle 30 mm Standard PressFit 30 / BB30 crankset (short axle)