Shimano GRX RX825 Di2 Gravel Groupset – 2×12 Speed
From £1,225.00
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Gravel cycling is rooted in its simplicity, inclusivity, and curiosity. Everyone from first-timers to grizzled veterans counts on Shimano GRX, the industry’s first gravel-specific groupset, for smooth shifting, reliable braking, and exceptional gravel comfort.
The new GRX series offers premium performance at an incredible value, with thoughtful ergonomic designs and gravel-centric gearing for all manners of unpaved adventures. Its 2×12-speed GRX drivetrains deliver precise and reliable mechanical shifting with different gearing ranges to cover the full spectrum of riders and rides.
Groupset Specification:
- Chainset: Shimano GRX RX820 choice of cranks and chainrings
- Bottom Bracket: Shimano (Choice Of Option’s)
- Cassette: Shimano 105 R7100 – 12 Speed
- Chain: Shimano – 12 Speed
- Rear Derailleur: Shimano GRX RX825 Di2 – 2×12 Speed
- STI Levers: Shimano GRX RX825 Di2 2×12 Brake/Gear Levers
- Brakeset: Shimano GRX RX825 / RX820 Flat Mount Hydraulic Disc (Can be set up to run UK or Euro/USA braking)
- Rotors: Shimano – Choice of sizes
- Cables: All Di2 Cables, Battery and junctions boxes included
| Bottom bracket | None required, english (Add £19.99), italian (Add £19.99) |
|---|---|
| Chain | 105 M7100, KMC 12 speed |
| Chainset GRX RX820 | 170mm 31-48, 172.5mm 31-48, 175mm 31-48 |
| Cassette | 105 HG701 11-34, 105 HG701 11-36, Ultegra R8100 11-34 |
| Shimano rotor front | None required, RT-MT8000 Ice-Tec Centrelock Rotor 140mm (Add £27.99), RT-MT8000 Ice-Tec Centrelock Rotor 160mm (Add £27.99) |
| Shimano rotor rear | None required, RT-MT8000 Ice-Tec Centrelock Rotor 140mm (Add £27.99), RT-MT8000 Ice-Tec Centrelock Rotor 160mm (Add £27.99) |
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