Shimano GRX ST-RX810 Shifter/Brake Lever BR-RX810 Hydraulic Disc Brake Caliper - Right/Rear 11-Speed Flat Mount Caliper CheckoutTitle=Shimano Dura-Ace RD-7900 Slim clamp area reduces handlebar

Slim clamp area reduces handlebar footprint

Oversized pin-joint construction

PI-2 Headset

For installing on Ritchey one-bolt seatposts

Provides excellent mud and splash coverage on 27

Shimano GRX ST-RX810 Shifter/Brake Lever BR-RX810 Hydraulic Disc Brake Caliper - Right/Rear 11-Speed Flat Mount Caliper CheckoutTitle=Shimano Dura-Ace RD-7900 Slim clamp area reduces handlebarShimano GRX ST RX810 Shifter Brake Lever with BR RX810 Hydraulic Disc Brake Caliper Right Rear 11 Speed Flat Mount Caliper. GRX ST RX810 Shifter Hydraulic Brake LeverGravel inspired Dual Control shift brake lever and bracket ergonomics Anti slip brake lever Same light shifting operation as top tier systems Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences TECH SPECS Brake Lever Actuation Hydraulic