Built to Outlast. Engineered to Perform. Designed for Life.

The CeramicSpeed BB ALPHA is a bottom bracket engineered with one clear goal: to outlast your frame while delivering uncompromising efficiency. Built using hardened stainless-steel races and hand-assembled with grade-3 Silicon Nitride ceramic balls, BB ALPHA delivers ultra-low friction performance combined with industry-leading durability.

Thanks to custom-engineered seals and precision dust covers, BB ALPHA offers up to 500% better moisture protection compared to standard designs — making it ideal for demanding road, triathlon, and track conditions. The redesigned spacer tube and lighter cups simplify installation while achieving a 10% weight reduction over previous generations.

Backed by CeramicSpeed’s lifetime warranty, BB ALPHA represents the pinnacle of reliability, performance, and long-term value.

Performance Highlights

- Hardened stainless-steel races for extreme durability

- Grade-3 Silicon Nitride ceramic balls for ultra-low friction

- Up to 500% improved moisture protection

- Optimized sealing system for all-conditions riding

- Simplified spacer tube design for faster installation

- 10% lighter than previous CeramicSpeed bottom brackets

- Lifetime warranty for total peace of mind

Compatibility

Precisely engineered to pair 24mm axle cranks from Shimano and compatible brands with Italian-threaded (ITA) frames.

In the Box

- CeramicSpeed BB ALPHA ITA for Shimano Road

- UFO All Round Grease (5 ml)

- CeramicSpeed decal

Specifications

- Discipline: Road, Triathlon, Track

- BB Type: ITA (Italian Threaded)

- Crank Diameter: 24.0 mm

- Crank Brand: Shimano

- Net Weight: 80 g

- Gross Weight: 194 g

- SKU: 115415