These Kool-Stop disc brake pads are designed for use with Magura disc brakes. E-Bike disc pads are produced with a ceramic barrier between the organic friction material and the steel backing plate to reduce heat transfer into the brake caliper causing brake fade. Fits Magura MT2, MT4, MT6, and MT8. Specifications: Pad Shape Number: 10 Designed for E-Bike: Yes Backing Plate Material: Steel Compound: Organic