Optimised for mixed terrain riding with a double chainset and small step gearing, the 12-Speed GRX 820 Groupset is the pinnacle of Shimano's gravel range
In the Box
ST-RX820 GRX 12-speed STI bled with BR-RX820 flat mount calliper, right front
ST-RX820 GRX 2-speed STI bled with BR-RX820 flat mount calliper, left rear
RD-RX820 GRX 12-speed rear derailleur, Shadow+ max 36T for double
FD-RX820 GRX front mech, 12-speed double, down pull, braze-on
FC-RX820 GRX chainset 48 / 31, double, 12-speed, Hollowtech II
CS-HG710 12-speed cassette, 11 - 36T
CN-M8100 XT/Ultegra chain with quick link, 12-speed, 126L
Features
Greater comfort and control on mixed-terrain
Streamlined cockpit lets you stay focused
Smaller gear steps for cadence control on mixed terrain riding
Gear combination: 48-31T
Silent and secure rear shifting on rough terrain
Lighter front shifting
Wider tire clearance
Wider range front gearing
Precise and easy front derailleur adjustment
10% wider pad clearance decreases brake noise
Maintenance-friendly bleeding process
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