W4 COMPOUND
Description
W4 is a sprint-race compound focused on superior braking control, especially for lightweight cars. It is a control-oriented motorsport pad intended for drivers who prioritize precision and balance under race conditions.
Technical Summary
Material: Low steel.
Temperature range: 50 to 700°C.
Average friction coefficient: 0.37 to 0.40.
Application: Sprint race.
Performance Profile
W4 moves clearly into race use. Compared with W3, it offers more bite, more friction, and better resistance to rising brake temperatures, while keeping control and release behavior as primary characteristics. It is better suited to short, hard sessions than to daily road driving.
Graphs & Comparison

