Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct +20mm DOT Type Red Length (mm)-50 } Grade 5 ceramic (Silicon

} Grade 5 ceramic (Silicon Nitride: Si3N4) balls with graphite-polyamide retainers

The Pro has two separate damping circuits that can be activated or bypassed by the Work / Party mode lever

If you’re looking for the ultimate rim for Enduro and DH racing something to handle the increased weight and added speed of an E-bike or just want the most durable rim possible this is it

Light and responsive front shifting improves efficiency and control

Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct +20mm DOT Type Red Length (mm)-50 } Grade 5 ceramic (SiliconHope RX4+ Disc Brake Caliper Flat Mount Rear +20mm DOT Type Red. The Hope RX4+ DOT 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