Shimano GRX, designed with gravel-specific ergonomics, optimized gearing, and rugged reliability, offers a quiet, stable drivetrain suited for unpaved adventures. This premium series provides outstanding performance and value with ergonomic designs and gravel-centric gearing.
The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity and near silent running
5.62 mm chain width, optimised for 11-speed Super Narrow HG-EV drivetrains
Comes complete with Quick Link which enables fast tool free chain assembly
116 links (can be shortened with a standard chain breaker tool)
Average weight 257 grams
Rear Mech: GRX RD-RX812 11 Speed Shadow+ Single Rear Mech
Top sprocket: Max. 11T/Min. 11T
Low sprocket: Max. 42T/Min. 40T
Total capacity: 31T
With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain.
For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner.
L/H Brake: GRX BL-RX810/BRRX810 Disc Brake - Left Hand Lever
GRX hydraulic disc brake levers give you control, modulation and power with minimal effort in all riding conditions
Raised hood head prevents hand misalignment and slippage
Anti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long rides
R/H Shifter/Brake: GRX ST-RX810/BR-RX810 11 Speed STI Lever & Disc Brake
GRX hydraulic disc brake STI's give you control, modulation and power with minimal effort in all riding conditions
Raised hood head prevents hand misalignment and slippage
Anti-slip texture and brake lever coating gives higher braking efficiency and reduces -fatigue on long rides
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