Ceramic Speed

BB ALPHA Gravel Bottom Bracket - BB86, 86.5mm, For Shimano 24mm Spindle

The CeramicSpeed BB ALPHA Gravel Bottom Bracket is designed for riders who demand lasting performance and efficiency on every ride. Built with hardened stainless-steel races and grade-3 Silicon Nitride ceramic bearings, it delivers ultra-smooth rotation, exceptional durability, and up to 500% better moisture protection than standard bottom brackets. For gravel riders facing unpredictable conditions, that means less friction, less maintenance, and more time in the saddle.

A redesigned bearing layout moves the bearings further outward in the cup, improving load distribution and stiffness. The custom-engineered seals and POM plastic dust covers sit flush with the outer edge, creating a precise barrier against dirt and debris without sacrificing efficiency. The simplified spacer tube and 7075 aluminum cups reduce weight by 10% compared to previous generations, while also making installation quicker and more intuitive.

Each unit is hand-built in Denmark to exacting standards and backed by a lifetime warranty, ensuring that it’s a bottom bracket built to go the distance.

• Ultra-low friction performance from grade-3 Silicon Nitride ceramic bearings
• Hardened stainless-steel races for maximum corrosion resistance
• Advanced sealing system for superior protection against moisture and contaminants
• Redesigned bearing placement enhances stiffness and durability
• Lightweight 7075 aluminum cups with simplified spacer design for easier installation
• Hand-built in Denmark and backed by a lifetime warranty