Ceramicspeed OSPW GRX/Ultegra RX System, Black

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.

The four spring tension settings allow customised setup based on ride conditions, and the handbuilt OSPW System offers custom molded carbon fiber cage for lightweight and durability.

CeramicSpeed OSPW Systems reduces friction 35-40% over stock pulley configuration.

Only compatible with 2X systems. Not compaitble with 42-tooth cassettes.

Specifications:

– Pulley Wheels: CeramicSpeed 13-tooth upper and 19-tooth lower
– Pulley Wheel Material: Aluminium
– Cage Material: Carbon reinforced PA
– Bearing Options: CeramicSpeed Standard or Coated
– CeramicSpeed Grease/oil: CeramicSpeed Pulley Oil
– Compatibility: Shimano GRX 810 & GRX 815, Shimano Ultegra RX 800 & Ultegra RX 805
– Casette Compatibility: Up to a 11-36 range
– Spring Tension Settings: 4 spring tension settings
– Speed: 11-speed
– Discipline: Gravel/Cross

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