Ceramicspeed Alpha Bearing Kit BB90 Shimano Road bottom bracket bearings

A bottom bracket built to last longer than the frame. BB ALPHA features hand-built hardened stainless steel races with grade 3 silicon nitride ceramic balls, custom-designed seals and precision dust covers, offering up to 500% more moisture protection while ensuring ultra-low friction performance. The simplified spacer tube design and lighter cups ensure quick installation and a 10% weight reduction compared to previous generations. Precisely match a Shimano or other brand 24 mm spindle crank with an 86 mm wide 41 mm pressfit hole, commonly referred to as BB86, by selecting this high-quality bottom bracket from CeramicSpeed.

Features

• Bottom bracket type: BB90
• Crank diameter: 24.0
• Use: Road, Triathlon and Track
• Manufacturer's weight: 46 g.

Included

• ALPHA BB bearing kit for Shimano Road BB90
• UFO All Round grease 5 ml
• Sticker.