GRX RD-RX812 Rear Derailleur Size:Long Cage PUBLIC R16 and R24 models

PUBLIC R16 and R24 models require the 37mm Aluminum fender set

Max Ring (teeth): 44

Frame mount included

Tubing kits are cut-to-fit with one pre-crimped 'fixed' end (90-degree on MT series) and include one tubing reinforcement insert and compression ferrule/olive per kit

GRX RD-RX812 Rear Derailleur Size:Long Cage PUBLIC R16 and R24 modelsThe Shimano GRX 11 speed rear derailleur provides silent and uninterrupted rear shifting on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents chain slapping and drops. Compatible with Shimano road Dual Control Levers Gravel tuned clutch tension provides smooth and reliable mixed surface shifting For 1x drivetrains Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10x1 Standard Drivetrain Speeds: 11 Cage Length: Long Chain Wrap