Cycling · Groupset · Shimano
Shimano GRX Di2
A 2×12-speed semi-wireless electronic groupset designed specifically for gravel and cyclocross riding, featuring wireless shifters and a Shadow RD+ rear derailleur.
Released 2024Quick facts · not yet fully researched
Quick specs
- Speeds
- 2×12-speed
- Rear Derailleur
- RD-RX825, 310g claimed, with Shimano Shadow RD+ clutch
- Shifter Battery
- Replaceable coin cell batteries, ~3.5–4 year lifespan
- Shifting System
- Semi-wireless Di2 (wireless shifters, wired derailleurs to central battery)
- Chainring Options
- 48/31T (RX820 crank) or 46/30T (RX610 crank)
- Cassette Compatibility
- 11-34T or 11-36T (Hyperglide freehub)
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