The Shimano GRX ST-RX400 10-speed hydraulic disc/brake lever provides greater control on mixed terrain.
•Gravel 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
•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