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Product information "Shimano GRX Rear Derailleur RD-RX820 12-speed"
Gravel biking shouldn't be a complicated thing. The attraction of this cycling discipline with the drop bar and the dirt roads lies in its simplicity, openness and adventure. No journey is impossible. Everyone can ride. Equipment should be functional and reliable without breaking the budget. That's why the latest version of the GRX, Shimano's groundbreaking and industry-first gravel-specific groupset, will delight you whether you're a seasoned gravel veteran or new to the rough roads and trails.
Technical data
Low-noise and smooth shifting system for uneven terrain
Adjustable chain stabilizer prevents chain from jumping out
SHIMANO SHADOW RD+
Smooth and reliable shifting on changing ground conditions
Spring tension adapted to Gravel
Compatible with current DUAL CONTROL shifter/brake lever for road bikes
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