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Cycling navigate_next Components navigate_next Bottom brackets navigate_next Press Fit navigate_next CeramicSpeed BB ALPHA bottom bracket, T47a SRAM DUB Gravel
CeramicSpeed

CeramicSpeed BB ALPHA bottom bracket, T47a SRAM DUB Gravel

359 €
RRP 389 €
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From 01.09.2026 (Tuesday) Check availability
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Delivery method on Wednesday 02.09.2026
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Bottom bracket designed to last longer than your frame. Thanks to hardened stainless steel bearing races and ceramic balls, it offers significantly higher protection against moisture and extremely low friction. Easy installation is ensured by a sophisticated spacer system and relieved cups, which also results in a 10% weight reduction compared to the previous generation. It is suitable for SRAM DUB cranks with a 28.99 mm axle and an asymmetrical threaded T47 frame with a width of 77 mm. The manufacturer provides a lifetime warranty.

  • Ceramic bearings with extremely low friction and long lifespan
  • Increased protection against moisture by up to 500%
  • Easy and quick assembly thanks to innovative design
  • 10% lower weight compared to the previous version
  • Designed for SRAM DUB 28.99 mm axle and T47a frame (77 mm)
  • Package contents: bottom bracket, DUB spacer kit, UFO Long Life grease (5 ml), sticker
  • Lifetime warranty
Product details
Specification Road
Mount type T47/T47a
Axis type for crankset DUB (⌀ - 29 mm)
Frame width 77 mm
product ID 371284
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CeramicSpeed
Press Fit CeramicSpeed
CeramicSpeed is a Danish brand that specializes in high-performance ceramic bearings and drive components for various industries including cycling, automotive and industrial applications. The brand is known for its innovative and cutting-edge technology, offering products that aim to improve the efficiency, durability, and overall performance of mechanical systems. CeramicSpeed was founded in 2004 by Jacob Csizmadia, a mechanical engineer with a passion for cycling. Frustrated by the limited options for high-quality bearings in the cycling industry, Csizmadia decided to develop a superior solution. He began experimenting with ceramic materials, which are known for their low friction and high wear resistance. After years of research and development, CeramicSpeed was born.
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