The ROTOR Bearings for BB30 Frames ROTOR bearing sets suitable for BB30 frames. Suitable for ROAD and ATB. For 24 mm and 30 mm axle. So also 24 mm axle in BB30! ROTOR offers a choice between ceramic and steel bearing cartridges. Here you can choose between the different BB30 bearings from ROTOR. In total ROTOR has 6 types of BB30 bearings. Here’s a rundown: BB30 to 24 steel BB30 to 24 ceramic These are suitable for brands with a 24mm axle. BB30 to 24 steel ATB BB30 to 24 ceramic ATB These are suitable for the REX3 series and for other brands with a 24mm axle. BB30 steel BB30 ceramic These are suitable for the REX3 series, the Flow, the 3D , the 3D30 and all Powers and INpowers.
