11T Derailleur Pulley Efficiency Test

We tested 19 models of 11T derailleur pulleys to determine which pulley models and pulley bearing technologies are most efficient.  With a difference of 1.34W between the most and least efficient models tested, you'll want to download this report to see which pulley will get you to the finish line fastest.

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Pulleys Tested

  • Campagnolo Chorus
  • Campagnolo Super Record
  • CeramicSpeed
  • Enduro Zero Ceramic Grade 3
  • F1 Ceramic
  • FSA Ceramic
  • Hawk Racing
  • KCNC Ceramic
  • Origin8 Ceramic
  • Shimano 105
  • Shimano Acera
  • Shimano Dura Ace
  • Shimano LX
  • Shimano Ultegra
  • SRAM Black Box Ceramic
  • SRAM Force/Rival
  • TACX Ceramic
  • TACX Standard
  • Tiso Full Ceramic