Shimano GRX RD-RX717 Di2 Rear Derailleur
Best electronic shifting upgrade for dedicated gravel cycling enthusiasts.
This wireless electronic derailleur brings high-performance shifting to gravel bikes without the clutter of traditional cables. It balances rugged durability with a wide gear range, making it a reliable choice for riders who demand precision on unpredictable terrain.
$435.00
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Who it's for
- Gravel racers seeking reliable performance in demanding competitive environments
- Off-road cyclists prioritizing a quiet ride and drivetrain security
- Adventure riders who frequently encounter varied and challenging elevation profiles
Who should skip it
- Budget-conscious builders looking for the most cost-effective drivetrain solutions
- Long-distance bikepackers traveling far from reliable power sources
- Riders hoping to upgrade individual components on an existing mechanical bike
Performance breakdown
Shift Precision
Electronic actuation delivers flawless, consistent gear changes under any load.
Terrain Stability
Shadow ES clutch effectively eliminates chain slap on the roughest gravel.
Installation Simplicity
Wireless communication removes cable routing headaches for a cleaner build.
Durability
Integrated skid plates and robust construction withstand inevitable trail impacts.
Gearing Range
Wide 10-51T cassette support conquers the steepest climbs with ease.
Impact Resilience
Automatic reset function protects the derailleur motor during accidental drops.
Key Specs
Speed
12 Speed
Shifter Compatibility
Shimano Di2
Shift Mechanism
Electronic (Wireless)
Max. Tooth
51T
Min. Tooth
10T
Chain Wrap Capacity
41T
Cage Material
Aluminum
Chain Retention
Shadow ES
Color
Black
Weight
494g
Know before you buy
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