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Cycling navigate_next Components navigate_next Bottom brackets navigate_next Threaded navigate_next CeramicSpeed BB ALPHA T47a Bottom Bracket, Shimano Gravel
CeramicSpeed

CeramicSpeed BB ALPHA T47a Bottom Bracket, Shimano Gravel

359 €
RRP 389 €
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CeramicSpeed BB ALPHA for T47a Shimano Gravel, Black is a threaded bottom bracket designed to outlast the frame. It combines extreme moisture resistance with minimal friction, delivering smooth performance, increased lifespan, and lower weight compared to previous generations of CeramicSpeed bottom brackets.

  • Designed for the T47a threaded standard with a 77mm wide asymmetrical shell
  • Compatible with 24mm spindle cranks (Shimano and other brands)
  • Laser-hardened stainless steel races for maximum durability
  • Grade 3 Silicon Nitride ceramic balls for ultra-low friction
  • Developed seals and precise bearing covers for significantly better protection against moisture
  • Simplified spacer tube and lighter cups for easier installation
  • Approximately 10% lower weight compared to previous CeramicSpeed models
  • Long-life UFO Long Life grease for reliable operation in demanding conditions
  • Lifetime manufacturer's warranty on all BB ALPHA models

The package includes the CeramicSpeed BB ALPHA for T47a Shimano Gravel bottom bracket, UFO Long Life Grease 5 ml, and a CeramicSpeed sticker.

Product details
Specification MTB
Mount type T47/T47a
Axis type for crankset HollowTech II (HTII) (⌀ - 24 mm)
Frame width 77 mm
product ID 371282
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CeramicSpeed
Threaded 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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