IV4R 4 Piston Post Mount Hydraulic Disc Brake

Model: 4 piston

Version: 2024 new version

Brake pads: same as hope pads, E4 M4 resin pads

Brake oil: mineral oil

Rotor size: 140/160/180/203/220mm

Accessories: with oil pin and screws

Oil needle and olive tip model: BH59

Oil hose diameter: 5mm
Weight: Single front brake 239g,Single rear brake 243g

Oil hose length:Front brake 82cm, Rear brake 145cm

*The 4 piston brakes you received are already installed with pads and filled with oil inside.

Design Advantage：

IV4R as the new version of 2024 mountain hydraulic brakes, the upgrade is inspired by the M4, based on the M4 brakes, upgraded the clamping ring position mounting method, this structural change can improve the brakes in the braking process of the feel and rigidity.

The caliper section is upgraded with a rotating universal joint, which can adjust the layout of the oil hose and cable according to the angle of the frame.

The caliper part increases the circulating oil circuit, which makes the caliper outstanding in high temperature resistance and quick oil replenishment.