Shimano GRX RX717 Di2 Wireless 112-Speed Groupset Product Overview The Shimano GRX RX717 Di2 Wireless 112-speed groupset is a high-performance electronic drivetrain engineered specifically for gravel riding, adventure cycling, and mixed-terrain use. As part of Shimano’s dedicated GRX platform, RX717 combines the simplicity and chain security of a single-chainring drivetrain with the speed, precision, and reliability of Shimano’s Di2 electronic shifting technology. Featuring fully wireless shifting between controls and derailleurs, the RX717 system delivers fast, consistent gear changes under load while significantly reducing cable complexity. Optimised gear ratios, enhanced clutch stability, and gravel-specific ergonomics make this groupset suitable for demanding off-road conditions, endurance riding, and modern gravel race applications. Key Features 112-speed electronic gravel drivetrain Fully wireless Di2 shifting system Gravel-specific gearing and component geometry SHIMANO SHADOW RD+ clutch for improved chain retention Optimised for rough terrain, steep gradients, and variable surfaces Compatible with Shimano 12-speed road and gravel standards Groupset Components A complete Shimano GRX RX717 Di2 Wireless 112-speed groupset includes the following core components. Drivetrain Components Crankset: GRX RX610 1 crankset Rear Derailleur: GRX RD-RX717 Di2 wireless rear derailleur with integrated battery and SHADOW RD+ clutch Cassette: Shimano 12-speed wide-range cassette 10-51T MICROSPLINE* Chain: Shimano 12-speed HG+ chain Control and Braking Components Shift / Brake Levers: GRX Di2 hydraulic Dual Control levers with gravel-specific ergonomics Brakes: Shimano GRX hydraulic disc brake calipers (flat-mount) Electronic System Components Wireless System: Integrated wireless Di2 architecture (no external shift cables) Battery: Internal rechargeable battery housed within the rear derailleur Charger: Shimano Di2 charging cable Included Items Hydraulic brake hoses and fittings Intended Use The Shimano GRX RX717 Di2 Wireless 112-speed groupset is designed for: Performance gravel and adventure bikes Riders prioritising drivetrain simplicity and chain security Competitive gravel racing and endurance events Mixed-surface riding requiring precise shifting under load Summary The Shimano GRX RX717 Di2 Wireless groupset delivers advanced electronic shifting in a purpose-built gravel platform. By combining a wide-range 112 drivetrain, robust clutch-equipped rear derailleur, and fully wireless Di2 operation, RX717 offers exceptional control, reliability, and performance in demanding off-road conditions. It is a premium solution for riders seeking modern gravel drivetrain technology with minimal complexity and maximum functionality. * NOTE this groupset uses Shimano MICROSPLINE fitting cassette. A SUNRACE 11-51T is shown as an option for HG wheelsets.