These Kool-Stop disc brake pads are designed for use with Magura disc brakes.eBike 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 Next MT-5 and MT-7 4-piston disc brakes. Item Specifications: Designed for ebike: Yes, Backing Plate Material: Steel, Compound: Organic, Pad Shape Number: 44,