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RD-RX717 GRX Di2 wireless rear derailleur for precise and reliable gear shifting
RD-RX717 GRX Di2 wireless rear derailleur for precise and reliable gear shifting
Shimano

Shimano RX717 GRX Di2 Wireless Rear Derailleur - Black

£379.99
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Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Shimano RX717 GRX Di2 Wireless Rear Derailleur - Black

Season:2026

Brand:Shimano

Code:RDRX717SGSA

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

The GRX RX717 rear derailleur, paired with a 10-51T 12-speed cassette, gives gravel riders the speed, range, and robustness to pursue any gravel challenge. With built-in Automatic Impact Recovery, an impact-deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance. It also features the same battery featured on GRX RX827, XTR M9250, XT M8250, and DEORE M6250 derailleurs, so you can swap batteries between your mountain and gravel bikes.
  • 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
  • Steel outer and inner pulley cages
  • Cold forged wide alloy outer link
  • Fluorine-coated link pin bushings
  • Specifically designed to work with 12-speed drivetrains
  • 10-51 tooth compatible SGS cage
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