Shimano
The Shimano GRX RD-RX400 rear derailleur is designed for road bikes and allroad/gravel bikes, offering quiet, smooth shifting with its Shadow RD+ system. Compatible with 10-speed drivetrains and cassettes up to 11-32T.
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The Shimano GRX RD-RX400 rear derailleur is a key component for road bikes and allroad/gravel bikes, providing reliable and precise shifting performance. Its Shadow RD+ system prevents chain slapping and dropping, ensuring uninterrupted shifting. The derailleur accommodates cassettes with a range of 11-32 teeth and features a long cage design. Made from a combination of materials including aluminium, glass fiber reinforced polymer (GFRP), stainless steel, and steel, it offers durability and smooth operation. The On/Off switch allows for adjustment of the rear derailleur pivot to reduce excessive movement and noise.
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