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Ceramicspeed change cage Shimano GRX Ultegra RX 11-speed
Manufacturer

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 requirements for durability, low friction and longevity.
The four spring tension settings allow for a customized setup based on riding conditions, and the handcrafted OSPW system offers a custom-molded carbon fiber cage for light weight and durability.
CeramicSpeed ​​​​OSPW Systems reduces friction by 35-40% over the stock pulley configuration.

Compatible with 2X systems only. Not compatible with 42 tooth cassettes.
In the box: Complete OSPW system for Shimao GRX/RX 2x11, CeramicSpeed ​​pulley oil, decal sheet
High-performance bearings with special ceramic balls made of grade 3 silicon nitride (best achievable grade for ceramic bearings)
CeramicSpeed ​​bearing balls: 15% harder, 100% smoother and 99% more resilient than standard ceramic balls

Product name: changing cage
Model: GRX, Ultegra RX
Area of ​​application: Road
model year: 2022
Compatibility: RD-RX810, RD-RX815, RD-RX800, RD-RX805
Number of gears: 11
Number of teeth: 13, 19

Available technical data: