Hope RX4+ Disc Brake Caliper - Flat Mount DOT Type Black DT Swiss 4 Flat Protection Sidewall ISO

4 Flat Protection Sidewall ISO Width (mm) 61 ISO Diameter 584 / 650b / 27

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Steerer Tube 1-1/8 Headset Weight 65g Material Alloy 6061-T6 Primary Color Multicolor

Hope RX4+ Disc Brake Caliper - Flat Mount DOT Type Black DT Swiss 4 Flat Protection Sidewall ISOHope RX4+ Disc Brake Caliper Flat Mount DOT Black. The Hope RX4+ 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