Hope Tech 4 E4 Disc Brake and Lever Set - Front Hydraulic Post Mount Silver ModelNumber=24147 There are four filter types

There are four filter types - Sport/Asthma and Racing 1

Wheel Diameter 700C Shaft Type Non-threaded Tube Width 25-28C Tube Weight 38g Valve Length 60mm Valve Presta

8°Head Tube Length 90

While these may seem like minor improvements individually

Designed to cut tire treads and developed specifically for MTB tires

Hope Tech 4 E4 Disc Brake and Lever Set - Front Hydraulic Post Mount Silver ModelNumber=24147 There are four filter typesThe Hope Tech 4 E4 Disc Brake & Lever Set was designed with enduro and trail riding in mind. It features upgraded technology and premium engineering to provide more braking power than previous systems. 30% power increase from Tech 3 Light lever action for reduced fatigue and increased feel Hinged clamp for easy installation Reduced friction internal sealing Ball bearing pivot Genuine bite point and reach adjustment without tools The E4 caliper