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CeramicSpeed OSPW

NA
Description
With the help of its unique design and ultra-low friction bearings, the Oversized Pulley Wheel System (OSPW) manages to optimize the overall efficiency of the drivetrain.
Features
Compatibility:
  • Shimano Dura Ace Di2
  • Shimano Ultegra Di2
Material: Derailleur pulleys: aluminium Ball bearings: ceramic Bearing races: stainless steel (hardened, coated) Shift cage: carbon fiber reinforced polyamide (PA)

15 days return policy