CeramicSpeed OSPW X Pulley Wheel System for Shimano GRX RX820 2x12 - Coated Races, Aluminum Pulley, Carbon Cage, Black Selle Royal Lookin Moderate Bicycle Saddle 12-Speed Compatibility: Seamlessly integrates with

12-Speed Compatibility: Seamlessly integrates with SRAM's Eagle AXS 12-speed system

For use with 1/2" drive ratchets and torque wrenches

Permanently mounted on the bicycle frame

Part Numbers: 5254801

the XPLR drivetrain is lightweight

CeramicSpeed OSPW X Pulley Wheel System for Shimano GRX RX820 2x12 - Coated Races, Aluminum Pulley, Carbon Cage, Black Selle Royal Lookin Moderate Bicycle Saddle 12-Speed Compatibility: Seamlessly integrates withThis OSPW X system for Shimano GRX RX820 2x12 speed rear derailleurs 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. Key Features