CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Aluminum Pulley Carbon Cage BLK Model-Harbor Dishing Gauge Features a 15 LED circular

Features a 15 LED circular array that emits 30 lumens of light in all directions

An excellent balance of race-proven performance and price

5-Pawl Solix freehub body with 605 points of engagement

} REAR DERAILLEUR INNER CAGE X01 EAGLE (52T) RED INCLUDING SCREWS

Type Tubeless Size 700x40 ISO 622 Bead TBLS - Fold Tread/Sidewall Color Bk/Blk PSI 50 Weight (Grams) 475 TPI 120 Durometer Features ULT/DAT/MWL/EBIKE25 Reflective Sidewall No

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Aluminum Pulley Carbon Cage BLK Model-Harbor Dishing Gauge Features a 15 LED circularThis 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. Largest Cog 36