Description
Shimano RD-RX827 GRX Di2 12 Speed Shadow ES Rear Derailleur SGS For 51T single
Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world
Precise and clean wireless shifting with Integrated on-board removable battery (BT-DN320 sold separately)
The integrated removable on-board battery is protected within the linkage
Crash recovery function, absorbs impacts and returns to its original position
Connectivity BLE, ANT private
Shadow ES features a super low profile skid plate design and optimized slant angle for optimal clearance
Shadow ES uses a dual spring chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting
The Shadow ES system is also zero maintenance and has no degradation of performance
Unique structure using two springs has a tighter chain wrap that improves shifting and security with increased spring force by 70%, allowing the chain to mesh firmly with the sprocket
With the tighter chain wrap skipping is prevented even as the cogs wear
13T solid pulleys and decreased derailleur tension prevent high chain tension in low gears
Alloy outer and inner pulley cage saves weight and increases rigidity
Cold forged wide alloy links and pivot body
Fluorine-coated link pin bushings
Specifically designed to work with 12-speed drivetrains
10-51 tooth compatible SGS cage
Customer Reviews
Shipping & Returns
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Custom Tab
Returns Policy
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