Shimano RD-RX400 GRX 10 Speed Rear Derailleur accessories-tools-cable-tools One-handed open and closure on

One-handed open and closure on the go

Weighing only 96g

Transform Air Technology: An aerodynamic design that helps to reduce drag

but also feature reinforcement to the hems on the underside to reduce wear

high-wrap shield geometry in a smaller frame

Shimano RD-RX400 GRX 10 Speed Rear Derailleur accessories-tools-cable-tools One-handed open and closure onEngineered for reliable and precise shifting performance specifically on 10 speed gravel and adventure bike drivetrains. The Shimano RD RX400 GRX 10 Speed Rear Derailleur is a dedicated component from Shimano's GRX gravel specific groupset, designed to deliver smooth and stable shifting across varied terrain. Featuring a Shadow RD+ chain stabilizer (clutch mechanism), it significantly reduces chain slap and drops, ensuring silent operation and chain