Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct, +20mm, Mineral Oil Type, Purple front-axle-conversion-kit When your average ride includes

When your average ride includes both tough climbs and rough descents and you want the best tubeless system in the business

Designed for internal frame routing

while the stiff outside knobs grip at lean angles like nobody s business

including SRAM AXS 12-speed systems

2-Way Release shifts in both directions for rider preference

Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct, +20mm, Mineral Oil Type, Purple front-axle-conversion-kit When your average ride includesThe 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