CeramicSpeed Shimano/SRAM 11-Speed Alloy Pulley Wheels

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Save some serious watts (as much as 4 watts) and gain precision shifting. 

Lightweight alloy derailleur wheels 

Ultra high quality ceramic bearings 

  • Grade 3 ceramic balls, hardened races and low-friction seals
  • Hand built in Denmark
  • These pulleys are compatible with all Shimano 11-speed rear derailleurs that aren’t XT or XTR
  • Precision machined aluminum pulleys
  • Hardened races