Hope RX4+ Disc Brake Caliper - Front Flat Mount Direct +20mm Mineral Oil Type Blue Cup (mm)-44/56 which is used by GRX

which is used by GRX 12-speed

Kit includes:

Handlebars: BMC RAB 02 – Ergo Top Shape

Laptop Storage No Bag Dimensions in inches 15

Hope RX4+ Disc Brake Caliper - Front Flat Mount Direct +20mm Mineral Oil Type Blue Cup (mm)-44/56 which is used by GRXThe 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. Monobloc design creates a stiffer caliper reducing the fuzzy lever feel and brake pad rub Slimline 4 piston lightweight design provides