The CeramicSpeed BB Alpha for BSA SRAM DubRoad is engineered for riders who demand precision, longevity and frictionless efficiency. Designed to fit BSA (English-threaded) frames with SRAM Dub28.99mm axles, this bottom bracket ensures flawless power transfer and unmatched durability.

Advanced Ceramic Bearing Construction: At its core, the BB Alpha features grade-3 Silicon Nitride ceramic balls running on hardened stainless-steel races. This premium combination minimizes rolling resistance and maximizes durability, delivering up to 500% better moisture protection than conventional systems.

Enhanced Sealing and Protection: Custom-engineered seals and precision dust covers keep contaminants out while maintaining ultra-low friction. The result is a smoother, cleaner and more reliable ride across all weather conditionsideal for endurance and high-performance cyclists alike.

Lightweight, Simplified and Easy to Install: A newly developed spacer tube and lightweight cup design reduce weight by 10% compared to previous generations. The simplified structure allows for faster, hassle-free installation without compromising alignment or bearing stability.

Hand-built with exacting standards, it represents the pinnacle of bottom bracket technologydelivering lasting smoothness, precision and performance for serious road riders.