CeramicSpeed Bb Alpha - Gravel Black, T47a Sram Dub

• Enhanced materials and engineering deliver the lowest friction and maximum efficiency, helping you save watts and ride faster on gravel and road terrains.
• Designed with a T47a asymmetric shell and stainless steel races, this bottom bracket offers superior durability and long-lasting performance in challenging riding conditions.
• Utilizes SRAM DUB spindle interface and optimized DUB specific cups for precise fit, reduced spacers, and seamless integration with your SRAM drivetrain system.
• Features refined light contact seals that provide 500% increased contamination protection without added drag, ensuring reliable performance and minimal maintenance over the wear life.
• Innovative threaded T47a design combines the strength of oversized PF30 and EVO386 interfaces with the convenience of a threaded assembly, offering versatile use cases for gravel, endurance, or all-road riding.

What Our Gearhead Experts Are Saying: “After a season of racing and training on this CeramicSpeed BB, I’m convinced it’s the quietest and most durable setup out there. Even after countless muddy miles, the spin is still buttery smooth, and I haven’t had to service it once. It’s the perfect balance of efficiency and protection for gravel.”When the road turns to dust and the climbs get longer, we want every bit of efficiency we can get—and that’s why we trust the CeramicSpeed Bottom Bracket Gravel. Built in Denmark and engineered for rough conditions, this BB pairs low-friction ceramic bearings with reinforced seals and long-life grease to shrug off grit, water, and washboard abuse. Each version is tailored to modern gravel frames—from T47 and PF30 to BSA, Italian, and BB86—and works with spindles like Shimano 24mm, SRAM DUB, Campy Pro Tech, or 30mm. The precision-machined aluminum cups ensure perfect alignment, while coated bearing options resist corrosion for season after season of reliable performance. No creaks, no drag—just miles of smooth, efficient pedaling when the adventure heads off pavement.
Item Length: 228
Part Type: Bike Spares
Size: ‎T47a SRAM DUB
Type: Bottom Brackets

Material: ‎Multi

UK Delivery:

• Free delivery on all orders of £10 or more.
• £1.49 delivery fee on orders below £10.
• UK orders are shipped via Royal Mail 2nd Class.

International Delivery:

• Flat rate delivery charges vary by country.

Dispatch and Delivery Times:

• All orders are shipped from our warehouse in Northampton, UK within 48 hours of receipt during working hours.
• UK mainland orders typically arrive within 3-5 working days via Royal Mail 2nd Class.
• International estimated delivery times:
• Europe & Channel Islands: 7 to 10 working days
• USA: 7 to 15 working days
• Rest of the World: 9 to 21 working days

View our full delivery infomation here.