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Shimano GRX

Shimano GRX ST-RX820 Hydraulic Disc Brake Dual Control STI lever - 12-speed - Right Hand

SKU STRX820R
£154.75 RRP £249.99 −38%
Select size12-speed Right
2-speed Left

Earn 154 points with Bikeparts+ to spend on your next orderHow it works

Unmatched control and comfort for mixed-terrain riding and racing

The SHIMANO GRX DUAL CONTROL LEVER delivers light and responsive mechanical 12-speed shifting for mixed-terrain riding and racing. The ergonomic shifter design improves comfort by decreasing pressure on your palms, while the textured, anti-slip brake lever surface increases control on bumpy terrain.

  • Greater comfort and control on mixed terrain
    • Gravel-specific brake lever and bracket ergonomics
    • Anti-slip coating on brake lever surface
    • Optimized for use with flared handlebars

Shimano GRX Image showing different technologies

Same groupset

Complete your Shimano GRX groupset

Shop all GRX →
Rear Derailleurs
Shimano GRX RD-RX822 12-Speed Rear Derailleur - SGS -  Shadow RD+ -Black 1X BIKEPARTS+
One size
Shimano GRX
Shimano GRX RD-RX822 12-Speed Rear Derailleur - SGS - Shadow RD+ -Black 1X£62.28£124.99−50%
Front Derailleurs
Shimano GRX FD-RX810 GRX front mech; 11-speed double; down pull; braze-on BIKEPARTS+
One size
Shimano GRX
Shimano GRX FD-RX810 GRX front mech; 11-speed double; down pull; braze-on£32.60£54.99−41%
Chainset
Shimano GRX FC-RX610 Chainset 46 / 30 Double - 12-Speed - 2 Piece Design - 165mm BIKEPARTS+
Select size
4 sizes
Shimano GRX
Shimano GRX FC-RX610 Chainset 46 / 30 Double - 12-Speed - 2 Piece Design - 165mm 5.0 · 1 review £87.45£179.99−51%
Cassettes
Shimano GRX CS-HG500 10-Speed Road Cassette Sprocket - 11/25T BIKEPARTS+
Select size
4 sizes
Shimano GRX
Shimano GRX CS-HG500 10-Speed Road Cassette Sprocket - 11/25T£19.99£34.99−43%
Brake Calipers
Shimano GRX BR-RX820 GRX calliper; flat mount; with adapter for 140/160 mm; front BIKEPARTS+
One size
Shimano GRX
Shimano GRX BR-RX820 GRX calliper; flat mount; with adapter for 140/160 mm; front£54.00£79.99−32%
Brake Levers
Shimano GRX BL-RX812 Sub Brake Lever - Right Hand BIKEPARTS+
Select size
2 sizes
Shimano GRX
Shimano GRX BL-RX812 Sub Brake Lever - Right Hand£52.48£64.99−19%
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