Shimano GRX RX827 Di2 1x12 Wireless Gravel Groupset
Shimano GRX RX827 Di2 1x12 Wireless Gravel Groupset
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Shimano GRX RX827 Di2 1x12 Fully Wireless Groupset
Take your gravel riding to the next level with the Shimano GRX RX827 Di2 1x12 Fully Wireless Groupset. Designed specifically for gravel adventures, racing, and mixed-terrain exploration, this premium electronic groupset combines Shimano's latest wireless Di2 technology with gravel-specific ergonomics and exceptional drivetrain performance.
Featuring lightning-fast wireless shifting, powerful hydraulic disc braking, and a wide-range 1x12 drivetrain, the RX827 delivers confidence, control, and reliability wherever the trail leads.
Key Features
- Fully Wireless Di2 Shifting – Fast, precise, and reliable electronic gear changes with a clean, cable-free cockpit.
- Wide-Range 1x12 Drivetrain – Optimised for gravel riding with a 10-51T cassette option, providing excellent climbing capability and high-speed efficiency.
- Gravel-Specific Ergonomics – Raised hoods and textured grip surfaces enhance comfort and control on rough terrain.
- Powerful Hydraulic Disc Brakes – BR-RX820 calipers deliver excellent modulation, quiet operation, and dependable stopping power in all conditions.
- Automatic Impact Recovery – The RX827 rear derailleur automatically recovers after impacts, helping maintain shifting performance on challenging trails.
- Optimised Chain Retention – Shimano's 12-speed chain features SIL-TEC treatment and a quick-link design for smooth operation and long-lasting durability.
Performance Built for Gravel
At the heart of the groupset is the GRX FC-RX820-1 crankset, available with a 40T or 42T chainring to suit your riding style. Paired with a Shimano 12-speed MICRO SPLINE cassette featuring HYPERGLIDE+ technology, you'll experience smooth, efficient shifting even under heavy load.
Whether you're racing gravel events, tackling epic bikepacking routes, or exploring back roads, the GRX RX827 Di2 groupset delivers the precision, reliability, and performance demanded by modern gravel riders.
What's Included
- Shimano GRX FC-RX820-1 1x12 Crankset
- Shimano 12-Speed MICRO SPLINE Cassette
- Shimano 12-Speed Chain
- Shimano GRX Di2 RD-RX827 Rear Derailleur (51T Compatible)
- Shimano GRX Di2 ST-RX825 Right Shift/Brake Lever
- Shimano BR-RX820 Hydraulic Brake Caliper (Front)
- Shimano GRX BL-RX825 Left Brake Lever
- Shimano BR-RX820 Hydraulic Brake Caliper (Rear)
- Shimano BT-DN320 Battery
- Shimano EC-DN100 Charger
Optional Extras
- Shimano Disc Brake Rotors
Who's it for?
Who's it for?
Designed for gravel racers, endurance riders, and bikepackers seeking wireless precision, wide-range gearing, and dependable braking in a simplified 1× platform.
Want this professionally fitted?
Want this professionally fitted?
The Bike Lab offers expert installation and servicing in and around Surrey and West Sussex. Book today, enquire at TheBikeLabWorkshop@gmail.com or view our services.
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FAQ
How long does a Gold Service take?
As this is a full strip down and rebuild, it usually takes slightly longer than our other services. Most Gold services are completed within 1 to 2 weeks depending on workload and any additional parts required.
Is this service suitable for older bikes?
Yes. Older bikes often benefit the most from a full strip down, especially if they have not had a thorough service in some time.
Will parts be replaced automatically?
No. We will always contact you before replacing any worn or damaged parts. No additional work is carried out without your approval.
What is the difference between Silver and Gold?
The Gold Service includes a full strip down and rebuild, along with headset and bottom bracket removal and re-greasing. Silver focuses more on adjustment, wheel truing, and drivetrain cleaning.
How often should I book a Gold Service?
For regularly ridden bikes, once a year is a good guideline. If you ride in harsh conditions or high mileage, you may benefit from it more frequently.