Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct +20mm Mineral Oil Type Purple ModelNumber=E4170 it provides easy kick and

it provides easy kick and compression when pressing with the forefoot

Model Project 21 Trail Color Matte Black Size M/L Size (cm) 56-59 Shell Open Face Visor Yes

A slight kick-up in the back for uphill

Two important notes: The actual spring IS NOT INCLUDED (Sold Separately)

They feature external knurling to increase finger grip and a durable anodized and laser etched finish

Hope RX4+ Disc Brake Caliper - Rear Flat Mount Direct +20mm Mineral Oil Type Purple ModelNumber=E4170 it provides easy kick andThe 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. CNC machined monobloc design creates a stiffer caliper reducing the fuzzy lever feel and brake pad rub Slimline 4 piston lightweight design