Ceramic Speed

BB ALPHA Road Bottom Bracket - T47, 86mm, For SRAM DUB Spindle

The CeramicSpeed BB ALPHA Road Bottom Bracket is designed for riders who demand lasting performance, smooth efficiency, and maximum protection from the elements. Built for T47 86mm shells and SRAM DUB spindles, this bottom bracket combines precision engineering with the proven durability of CeramicSpeed technology.

Hand-built in Denmark, the BB ALPHA pairs hardened stainless-steel races with grade-3 Silicon Nitride ceramic balls to deliver ultra-low friction and long-term reliability. Its redesigned bearing placement and custom-engineered seals keep moisture and debris out, offering up to 500% better protection without sacrificing efficiency. The result is a bottom bracket that spins smoother, lasts longer, and requires less maintenance over time.

The simplified spacer tube design and lightweight 7075 aluminum cups make installation faster and reduce overall weight by 10% compared to previous versions—ideal for performance-focused road riders seeking every advantage.

• Hardened stainless-steel races and grade-3 Silicon Nitride ceramic balls deliver exceptional smoothness and durability
• Custom light contact seals balance friction-free performance with excellent contamination protection
• Redesigned bearing placement improves stiffness and keeps debris out for extended bearing life
• 7075 aluminum cups reduce weight and simplify installation
• Hand-built in Denmark and backed by a lifetime warranty

For riders chasing efficiency and longevity in every pedal stroke, the CeramicSpeed BB ALPHA Road Bottom Bracket sets the benchmark for smooth, reliable drivetrain performance.