Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct +20mm Mineral Oil Type Red CheckoutSpec= 9mm Nuts have a matching o-ring

Nuts have a matching o-ring and a thread friction element to keep them in place after wheels are removed

Make that daily ride from your front door a little spicier with some dirt

For non-boost Hydra 6-bolt front 15x100mm to 20x110mm non-Boost end caps

The Terreno T90 Mud Gravel Endurance tire is engineered for performance in the most extreme gravel conditions

Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct +20mm Mineral Oil Type Red CheckoutSpec= 9mm Nuts have a matching o-ringThe 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. CNC machined monobloc design creates a stiffer caliper reducing the fuzzy lever feel and brake pad rub Slimline 4 piston lightweight design