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CeramicSpeed ​​ALPHA bottom bracket, BSA, SRAM DUB

-12%
342  -12%
RRP 389 
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Delivery method on Thursday 22.01.2026
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Delivery method on Thursday 22.01.2026
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The CeramicSpeed ​​ALPHA bottom bracket for threaded BSA frames is designed for SRAM DUB cranks with a 28.99 mm axle. Thanks to high-quality silicon nitride ceramic bearings, hardened stainless steel raceways and unique seals, it offers extremely low friction and long service life. Lightweight construction with simplified installation and high protection against moisture guarantee reliable performance even in demanding conditions. The product is covered by a lifetime warranty.

  • Compatible with SRAM DUB (28.99 mm) and BSA/English thread
  • High-quality silicon nitride ceramic bearings (Grade 3)
  • Hardened stainless steel tracks for maximum durability
  • Improved seals and moisture protection by up to 500%
  • Lightweight bowls and simplified assembly
  • 10% weight reduction compared to the previous generation
  • Lifetime manufacturer warranty
Product details
Suitability Road
Mount type BSA
Axis type for crankset DUB (⌀ - 29 mm)
Frame width 68 mm, 70 mm
Weight 87 g
product ID 371239
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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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