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Cycling navigate_next Components navigate_next Bottom brackets navigate_next Press Fit navigate_next CeramicSpeed BB ALPHA bottom bracket, T47a Shimano Road
CeramicSpeed

CeramicSpeed BB ALPHA bottom bracket, T47a Shimano Road

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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Delivery method on Wednesday 02.09.2026
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Bottom bracket developed to last longer than the bike itself. BB ALPHA combines hardened silicon nitride (grade 3) stainless steel balls, specially designed seals, and precise dust covers. The result is up to five times better protection against moisture without sacrificing low friction.

Key Features:

  • Hardened silicon nitride stainless steel balls
  • Specialized seals and dust covers
  • 500% improved moisture protection
  • Ultra-low friction
  • Streamlined hollow tube design with lighter cups
  • 10% weight reduction compared to previous generations
  • Quick and easy installation
  • Compatible with 24mm Shimano spindle and other brands
  • Compatible with 77mm wide asymmetric T47a threaded frames
  • Lifetime warranty

Package Contents:

  • BB ALPHA for T47a Shimano Road UFO
  • All Round Grease (5 ml)
  • Sticker
Product details
Specification Road
Mount type T47/T47a
Axis type for crankset HollowTech II (HTII) (⌀ - 24 mm)
Frame width 77 mm
product ID 371283
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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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