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3 days ago

CeramicSpeed OSPW System GRX-Ultegra RX

$ 527.49   -37%
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The OSPW System GRX/Ultegra RX 2x is specifically designed for use with Shimano GRX/Ultegra RX 2x systems and enhances gear shifting accuracy, efficiency and speed.


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This hand built OSPW System features a moulded carbon fibre cage for the best balance of low weight and durability. It is developed specifically for Shimano GRX/Ultegra RX 2x systems and has four spring tension settings that allow for a customised setup based on ride conditions.
Since its introduction in 2015, the CeramicSpeed Oversized Pulley Wheel System has been through 13 unique derailleur compatibility developments. No other pulley system has the depth of use and trust as the CeramicSpeed OSPW, which counts both Men’s and Women’s Triathlon World Champions, World Tour professional road teams, XCO professional MTB Teams, and elite athletes worldwide as its users.
This 13-tooth upper and 19-tooth lower OSPW System has been platform proven at races like Paris Robaix, Strada Bianche and CX World Cups. The system is built for gravel and cross disciplines and meets the needs for durability, low friction and longevity. CeramicSpeed OSPW Systems reduce friction by 35-40% over stock pulley configurations.
Only compatible with 2x systems. Not compatible with 42-tooth cassettes.


-Pulley Wheel Material: Aluminum
-Cage Material: Carbon reinforced PA
-Use: Gravel, Cross Country (CX)
-Speed: 11 speed
-Pulley Wheels: CeramicSpeed 13-tooth upper and 19-tooth lower
-Bearing Options: CeramicSpeed Standard or Coated (choose option from menu)
-Compatibility: Shimano GRX 810 and GRX 815, Shimano Ultegra RX 800 and Ultegra RX 805
-Cassette Compatibility: Up to a 11-36 range
-CeramicSpeed Grease/oil: CeramicSpeed Pulley Oil
-Spring Tension Settings: 4 spring tension settings

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