The Shimano GRX ST-RX600/BR-RX400 hydraulic brake/shift lever and disc caliper features gravel inspired lever and bracket ergonomics.
•ST-RX600 Dual Control shift/brake levers provide the same light shifting operation as top tier systems
•Anti-slip lever design
•Reach adjust mechanism allows lever to be adjusted to suit any hand size, type of riding and individual rider preferences
•BR-RX400 disc caliper features Shimano ICE Technology for excellent heat dissipation
•Convenient tool access and One Way Bleed system mean set up and maintenance are simple