SHIMANO GRX RD-RX820 12-speed rear derailleur

Group: GRX

Series: RX820

Model: RD-RX820

Technology: Top Normal

Rear gears: 12-speed

Rec. Chain: HG 12-speed

Total capacity: 42 teeth

Max. Difference at the front: 17 teeth

Max. Largest sprocket: 36 teeth

Min. Largest sprocket: 34 teeth

Max. Smallest sprocket: 11 teeth

Min. Smallest sprocket: 11 teeth

Area of application: Gravel/Road/Cyclocross

Mounting: Direct mount