CeramicSpeed BB ALPHA Bottom Bracket

The BB ALPHA is designed for frames using the T47 bottom bracket standard with a 73mm shell width and 46mm shell diameter. It is specifically built for 30mm spindle interfaces, so please verify your crankset's spindle diameter before purchasing.

This unit uses grade-3 Silicon Nitride ceramic balls paired with hardened stainless-steel races. This combination significantly reduces friction compared to standard steel bearings, resulting in a smoother, more efficient pedal stroke.

The BB ALPHA features a fully serviceable design. You can clean and re-grease the bearings to maintain their performance over time, which helps extend the lifespan of the component significantly.

Yes, the bottom bracket is equipped with custom-engineered contact seals and precision dust covers. These are specifically designed to keep moisture and trail debris out of the bearing races, ensuring reliability in demanding mountain biking environments.

Yes, the updated spacer tube design reduces complexity during the installation process. It simplifies the alignment and fitment within the bottom bracket shell, allowing for a quicker and more straightforward setup compared to older, more intricate designs.