With a low-profile Flat Mount design, the SHIMANO GRX BR-RX400 hydraulic disc brakes provide greater control for mixed terrain riding.
Excellent heat dissipation
Convenient tool access
Simple wheel replacement
Easy and clean bleeding system
Never hesitate to tackle rough surfaces
Simple set up and maintenance
ONE WAY BLEEDING was developed for quick and easy prevention of air in our hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.