- Open hydraulic system for CX and road bikes
- Heat-insulating hybrid pistons that adjust themselves to compensate for pad wear
- Adapter and rotor sold separately
Pronounced "High Road". Disc systems on the road take a big step forward with HY/RD's cable-operated hydraulic brake caliper! The Hy/Rd works with all existing lever and shifter/lever combinations and offers extra lightweight, self-adjusting composite pistons, paired with a caliper mounted master cylinder bathed in mineral oil for incredible performance.