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1 years of warranty for proper usage only

Description

This lising is for 2 Pulleys

  • Made of super strong Delrin Plastic, rotate with no noise
  • Won't hurt your chain
  • Narrow Wide design
  • Oversize Pulleys and Ceramic bearing save Your enegry during riding
  • 12T× 2, Approx weight: 7g× 2, save 80% than your original pulley
  • Increases the gear-shifting efficiency by reducing the weight pressure applied to the rear derailleur