Ceramic Speed OSPW for Shimano Dura-Ace 9100/9150 (non coated)

$499.00
Ceramic Speed OSPW for Shimano Dura-Ace 9100/9150 (non coated)
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The Oversized Pulley Wheel System (OSPW System) offers increased drivetrain efficiency with two 17-tooth alloy pulley wheels and extremely low friction pulley bearings.

  • Grade 3 Silicon Nitride balls
  • Hardened races
  • Reinforced polyamide cage and non-contact seals
  • Hand built in Denmark
  • Carbon fiber cage
  • Precision machined aluminum pulleys