- 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
- 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
Shimano GRX
RD-RX717 GRX Di2 wireless rear derailleur, 12-speed, Shadow ES, SGS long cage
- SKU: RDRX717SGSA
Delivery
We want to make sure you choose the right product so if you are not sure about anything or want further information or advice on what to buy, please chat to us first. Your usual statutory consumer rights apply on all goods, you can send them back if in an original condition within 30 days for a full refund. All returns must be paid for by the customer unless it is a genuine error of Bike Boom or a warranty issue. Some card issuers take days to put the money back into your account and Paypal can take up to a month.
Expect your delivery to arrive between 3-5 days and possibly a bit longer for bicycles. You should receive tracking information as soon as your order is fulfilled. We use many different couriers depending on the size, weight and value of the goods being sent. We may decide to send your order in separate packages and at separate times to get those items out to you quicker. We are only a small company and can be easily overwhelmed so please be patient if we haven't met our delivery target. We are human beings so give us a call on the telephone to get an update on your delivery if things are delayed 01273 905920, we are here to help.
Returns
We want to make sure you choose the right product so if you are not sure about anything or want further information or advice on what to buy, please chat to us first. Your usual statutory consumer rights apply on all goods, you can send them back if in an original condition within 30 days for a full refund. All returns must be paid for by the customer unless it is a genuine error of Bike Boom or a warranty issue. Some card issuers take days to put the money back into your account and Paypal can take up to a month!