OSPW X System for Shimano GRX/RX 2x11

$734.00 - $749.00
Shipping calculated at checkout.
Regular price $734.00
Regular price Sale price $734.00
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Most items ship within 24–48 hours. Bikes require professional assembly and tuning before shipping, so please allow 2–7 business days for preparation prior to shipment.
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Brand: CeramicSpeed
SKU: 108531
Regular price $734.00
Regular price Sale price $734.00

Product information


The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.


  • Features 13-tooth upper and 19-tooth lower, Cerakote coated aluminum pulley wheels with Grade 3 Silicon Nitride balls
  • Robust cage crafted from polyamide and carbon fiber for durability and light weight
  • Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
  • Four spring tension settings allow customized setup based on ride conditions
  • Only compatible with the ‘2X-specific’ GRX 810, GRX 815, as well as the RX800, and RX805 derailleurs
  • Cassette compatibility up to 11-36t
  • CeramicSpeed products with coated bearings include a lifetime warranty