CeramicSpeed OSPW X Pulley Wheel System for Shimano GRX RX820 2x12 - Aluminum Pulley, Carbon Cage, Black ywrench Intended for heavy-duty use

Intended for heavy-duty use

With a compact size

Race Face X-type

Designed for 10/11-speed drivetrains

CeramicSpeed OSPW X Pulley Wheel System for Shimano GRX RX820 2x12 - Aluminum Pulley, Carbon Cage, Black ywrench Intended for heavy-duty useThis 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. Robust cage