Shimano GRX RD-RX400 10-Speed Rear Derailleur

Preorder: This item is not yet in stock but is available for preorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all preorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your preorder can be cancelled by contacting our customer service team.

The Shimano GRX RD-RX400 10-speed rear derailleur keeps shifting silent and uninterrupted when riding on rough terrain.

•A Shadow RD+ chain stabilizer prevents chain slapping and drops
•The gravel-tuned clutch tension helps to provide smooth and reliable mixed surface shifting
•Stabilizer can be turned on/off to match terrain
•Compatible with Shimano 10-speed road Dual Control Levers