Shimano GRX RX825 Di2 1x12-Speed Groupset – 160/160 mm Rotors
 

Born from the spirit of exploration, the Shimano GRX RX825 Di2 is purpose-built for gravel — combining the simplicity of a 1x12 drivetrain with the precision of Di2 electronic shifting. It’s fast, silent, and utterly reliable across dirt roads, climbs, and endless horizons.

With wireless 12-speed shifting, gravel-tuned ergonomics, and dual 160 mm rotors, the RX825 delivers powerful braking control and seamless performance on unpredictable terrain. Every component has been refined to balance efficiency and durability — giving you total confidence when the road gets rough or disappears altogether.

Engineered with technology shared from Dura-Ace and Ultegra Di2, GRX RX825 brings the speed and sophistication of the road to the adventure world — without compromise.

Key Features:

• 1x12 Di2 wireless shifting for fast, precise performance

• Gravel-tuned lever shape and ergonomics for total control

• Dual 160 mm rotors for maximum braking power and heat management

• Optimised chain stability for rough terrain and heavy loads

• Durable, efficient drivetrain designed for real-world adventure

• Shared Di2 architecture with Shimano’s top-tier road systems

• Sleek, rugged finish that looks as good as it rides

Includes:
Crankset | Rear Derailleur (1x Setup) | Shifters | Hydraulic Disc Calipers | 160 mm Front & Rear Rotors | Cassette | Chain | Battery & Charger | Wiring Kit