Shimano GRX RX827 Di2 1x12 Wireless Groupset

Looking for the latest in gravel tech? The new Shimano GRX RX827 Di2 1x12 brings fully wireless drop-bar shifting to the world’s most trusted gravel platform—perfect for riders who want MTB-inspired range, single-chainring simplicity, and the confidence of flawless electronic shifting on every adventure.

At Bike Clinique, we’re fully manufacturer-trained and have extensive experience fitting the newest GRX Di2 wireless systems, so you’ll get a pro-level install, a perfectly tuned setup, and full support for your next big ride.

Why Choose GRX RX827 Di2 at Bike Clinique?
Shimano’s GRX RX827 is their first fully wireless gravel groupset, bringing 1x12 simplicity and a massive 10–51T cassette for the ultimate in versatility and climbing range. With robust MTB tech, smooth Di2 shifting, and hydraulic disc brakes, you’ll ride with confidence—on rough tracks, epic climbs, or fast commutes.

What’s Included:

• Shifters/Brakes:

• Right: ST-RX825 Di2 wireless STI lever with BR-RX820 front caliper

• Left: BL-RX825 hydraulic brake lever with BR-RX820 rear caliper

• Rear Derailleur: RD-RX827 Di2, 12-speed, Shadow ES, built for 1x setups with up to 51T cassette

• Chainset: FC-RX820 GRX, 40T, single, 12-speed, Hollowtech II, 170 mm

• Cassette: CS-M8200 XT, 12-speed, 10–51T for huge range

• Chain: CN-M8100 XT/Ultegra HG+, 12-speed, 126 links, quick link

• Battery & Charger: BT-DN320 Di2 wireless battery and EC-DN100 charger

• Rotors: 2x RT-CL800 Ice Tech FREEZA, 160 mm, with internal lockrings

How Does It Ride?
The RX827 Di2 delivers instant, precise wireless shifting and a cockpit that’s clean, quiet, and fully customisable via the Shimano E-Tube app. The single-ring setup with a massive 10–51T cassette means you’ll never run out of gears—whether you’re tackling steep gravel climbs, loaded touring, or hammering out fast group miles. Hydraulic disc brakes and Ice Tech rotors keep you in control, no matter the conditions.

Why Trust Bike Clinique?
With full Shimano manufacturer training and hands-on experience fitting the latest GRX Di2 wireless systems, you can ride with total confidence. We’ll check your frame compatibility, walk you through gearing and setup options, and provide a clear estimate before any work begins.

Ready to ride the future of gravel?
Book a consultation, schedule your upgrade online, or call us on 07951125843. Pop into our Wimbledon workshop to see the new RX827 Di2 in person, get honest advice, and discover how pro-level wireless tech can transform your gravel experience.