A bottom bracket built to outlast your frame. BB ALPHA features hardened stainless-steel races hand-built with grade-3 Silicon Nitride ceramic balls, custom-engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra-low friction performance. The simplified spacer tube design and lighter cups ensure quick installation and a 10% weight reduction over previous generations. All CeramicSpeed BB ALPHA models are backed by a lifetime warranty.

Precisely pair a crankset with a 30 mm axle of adequate length with a press-fit 42 mm bore that is 68 mm wide with bearings pressed directly into the frame, commonly referred to as BB30 by selecting this high quality bearing kit from CeramicSpeed.

In the box:

• BB ALPHA Bearing Kit for BB30 MTB.
• UFO Long Life Grease 5 ml.
• Decal.