Hope RX4+ Disc Brake Caliper - Front Flat Mount Direct +20mm DOT Type Black Length-8 }Surly Ring 38t x 110mm

}Surly Ring 38t x 110mm Stainless Steel

Convertible spider design

A flat bottom on the inside prevents housing from pulling through ferrules

5mm or less cable pull

Hope RX4+ Disc Brake Caliper - Front Flat Mount Direct +20mm DOT Type Black Length-8 }Surly Ring 38t x 110mmHope RX4+ Disc Brake Caliper Flat Mount Front +20 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