🛠️ Shimano GRX Di2 800-series
The Shimano GRX Di2 is the first gravel-specific electronic groupset. Its flared drop bars, hydraulic disc brakes, and 11-speed 1×11 or 2×11 drivetrain are optimised for mixed-terrain riding. The RX812 rear derailleur handles up to 42T cassettes for steep off-road gradients.
Components
Technical Specifications
| Type | Electronic gravel groupset |
|---|---|
| Speeds | 22-speed (2×11) or 12-speed (1×12) |
| Shifters | GRX Di2 with multi-function Satellite buttons |
| Front Derailleur | FD-RX815 Di2 (2×11) |
| Rear Derailleur | RD-RX815 Di2 |
| Brakes | BR-RX820 hydraulic disc 4-piston |
| Chain | CN-HG701 11-speed |
| Cassette | CS-R9100 (11-34T max) |
| Chainrings | 40/30T or 46/30T |
| Weight | 2,510 g |
| Msrp | $2,100–$2,600 |