Hope RX4+ Disc Brake Caliper - Front Flat Mount Direct +20mm Mineral Oil Type Silver CheckoutSpec= SmartHead DX3 “DUB-PWR” elegantly houses Quarq’s reliable

“DUB-PWR” elegantly houses Quarq’s reliable and accurate power measurement inside the DUB crank spindle itself

Disc Center Lock Rim Material Carbon Wheel Tire Type Tubeless Wheel Weight 675g

Classic style indexed thumb levers

All reason professional racers trust in this brake

Shot-peened to increase fatigue resistance

Hope RX4+ Disc Brake Caliper - Front Flat Mount Direct +20mm Mineral Oil Type Silver CheckoutSpec= SmartHead DX3 “DUB-PWR” elegantly houses Quarq’s reliableThe Hope RX4+ mineral oil type caliper builds on 25 years of experience designing and manufacturing hydraulic disc brakes and transfers that knowledge into the world of road and cyclocross drop bar brakes. A precision CNC machined monobloc design results in a stiffer caliper to give unrivaled feel and modulation. Monobloc design creates a stiffer caliper reducing the fuzzy lever feel and brake pad rub Slimline 4 piston lightweight design provides