Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct +20mm Mineral Oil Type BLK Model=Aeffect Steel cogs are continuously forged

Steel cogs are continuously forged for strength and shifting accuracy

Quick release system allows for opening the distance between rim and brake pads for easier wheel removal and installation

Inner Bushings

}SRAM 900 Rear Hub - 12 x 148mm 6-Bolt HG 11 Road Black 32H

Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct +20mm Mineral Oil Type BLK Model=Aeffect Steel cogs are continuously forgedHope RX4+ Disc Brake Caliper Flat Mount +20 Mineral Oil 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