CeramicSpeed BB ALPHA Bearing Kit for BB90 Shimano Road

A bottom bracket that lasts longer than your frame. BB ALPHA features hardened stainless steel race rings, handcrafted with Grade 3 silicon nitride ceramic balls, specially designed seals, and precision dust caps – providing up to 500% better moisture protection while maintaining ultra-low friction performance. The simplified spacer tube design and lighter cups allow for quick installation and a 10% weight reduction compared to previous generations. All CeramicSpeed BB ALPHA models are backed by a lifetime warranty.

Precisely combine a crank with a 24mm axle from Shimano or other brands with a press-fit socket with a 41mm bore, 86mm wide – commonly referred to as BB86 – by choosing this high-quality bottom bracket from CeramicSpeed.

Specifications

• Discipline: Road, Tri, and Track
• Crank brand: Shimano
• Crank diameter: 24.0
• Bottom bracket type: BB90
• Net weight: 46 g

Included:

• BB ALPHA Bearing Kit for BB90 Shimano Road
• UFO TECH All Round Bearing Grease 5 ml
• Decal