Hope RX4+ Disc Brake Caliper - Flat Mount Rear +20mm DOT Type Blue MFPN=B-316-WHT The specially designed narrow-wide tooth

The specially designed narrow-wide tooth profile keeps the chain snug

The dropout is heat treated before welding making it extra tough with integrated chain tensioner bolts inside

}Zipp Spring and Pawl Set - ZR1

5mm Aluminum Chainring Spacer Bag/20

Stroke (mm) 48 Stroke (ins) 1

Hope RX4+ Disc Brake Caliper - Flat Mount Rear +20mm DOT Type Blue MFPN=B-316-WHT The specially designed narrow-wide toothHope RX4+ Disc Brake Caliper Flat Mount Rear +20mm DOT Type Blue. 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