Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct +20mm Mineral Oil Type Red MFPN=072H5664 Souplesse construction for smooth ride FK3468 Color:Black/Coffee/Graphite Reflex MFPN=68-3201R 5 adds in a

Hope RX4+ Disc Brake Caliper Rear Flat Mount Direct +20mm Mineral Oil Type Red MFPN=072H5664 Souplesse construction for smooth ride FK3468 Color:Black Coffee Graphite Reflex MFPN=68 3201R 5 adds in a Souplesse construction for smooth ride + high puncture protection under tough racing conditions Flat Protection Tread TPI 67 Color Black Weight 530 Designed for ebike Yes Defined Color Black ISO Width (mm) 45 ISO Diameter 622 Road 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 45 Tire Type Tubeless Ready Clincher The GRX BR RX410 disc brake caliper brings a new level of control to gravel cycling with enhanced modulation and a quicker initial braking point