aerodynamic and reliable tyre construction

Size 57 with 180 mm headtube

The padding is made from fizik’s proprietary Type 1 foam formulation

Once piece lower arm and two bolt upper clamp

Merino keeps its insulating properties even when wet

HOPE RX4+ Caliper Complete - FM Std - DOT - Black Pearl Izumi aerodynamic and reliable tyre constructionThe RX4+ caliper supersedes the RX4 caliper and builds on 25 years experience designing and manufacturing hydraulic disc brakes and transfers the knowledge and skills acquired into the world of Road and Cyclocross dropbar brakes. A precision CNC machined monobloc design results in a stiffer caliper to give unrivalled feel and modulation.