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made from waterproof & abrasion resistant Nylon laid over a vulcanised rubber shell
making it an essential upgrade for riders seeking every possible performance gain
Transform Air Technology: An aerodynamic design that helps to reduce drag
One-handed open and closure on the go
high-wrap shield geometry in a smaller frame
Shimano RD-RX400 GRX 10 Speed Rear Derailleur accessories-tools-cable-tools made from waterproof & abrasionEngineered 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
