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Ceramic Speed OSPW SRAM RED eTap 11-Speed

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The CeramicSpeed Oversized Pulley System for SRAM eTap is a direct derailleur cage replacement that reduces friction by up to 40%. This is made possible by the larger 17T alloy pulley wheels that spin on high-precision ceramic bearings resulting in a savings of at least 1.6 watts.


  • 17T alloy pulley wheels w/ ceramic bearings
  • Carbon-reinforced polyamide cage
  • Titanium mounting hardware
  • Handmade in Denmark
  • Efficiency claims verified by Friction Facts in Boulder, CO
  • 4 year warranty
  • Includes ceramic bearing oil and T6 installation wrench
  • Claimed weight is approximately 70 g
  • Compatible with 11-speed SRAM eTap only
Ceramic Speed OSPW SRAM RED eTap 11-Speed
Other styles of this product are available.
Ordered by Most Relevant First
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1 stars
Reviewed 2/19/2018
by SF Rider
SW Florida
Value Rating
Overall Rating
2 of 3 customers found this review helpful.
Never again. too much for too little.

The part itself looks great and a lot of craftsmanship went into it, but I am embarrassed that I paid this much for a drivetrain component. Too little gain for the price.

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Reviewed 1/4/2018
by Jenzar
Competitive Racer
Northern NJ
Overall Rating
Ceramic Speed - Smooth like butter

This reduced friction on ceramic speed is awesome. big thumbs up

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