Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left 2x10-Speed Black CheckoutSpec= Coral The precise and highly sensitive

The precise and highly sensitive tuned leaf springs work so well that they do not affect the performance of the bike or cyclist

Directional Grip Texture – opposite to hand Rotation – for maximum grip

}RockShox Reverb Remote Lever Service Kit works for Left or Right Remotes (not for 1x Remote)

Shimano Dura-Ace CS-R9100 11-Speed CassettesCFRP/alloy spider arms and 5 titanium sprockets offer weight savings

Fully waterproof

Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Left 2x10-Speed Black CheckoutSpec= Coral The precise and highly sensitiveShimano GRX ST RX400 Hydraulic Brake Shift Lever Left 2x10 Speed Black. GRX ST RX400 Brake Shift Lever & Disc BrakeGravel 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 Compatible only with FD 4700 and FD RX400 front derailleurs and RD RX400 and RD 4700 rear