Disc brake. Stiff and vibration-resistant. Material Disc: Steel, Material Spider: Aluminum. Compatible with: complete MT family. E-Bike Ready: Yes. Mounting brake discs: Center Lock. Brake disc size: 203. With the MDR-P Center Lock, MAGURA introduces a brake disc designed for performance-oriented riders and demanding applications - from downhill to e-bikes and heavy cargo bikes. A special feature of the two-part disc is the patented interlocking of the outer and inner rings (Dovetail Interlink Technology). This interlocking provides additional support at the inner ring during thermal expansion of the outer ring. Unlike floating discs, the torque is transmitted over the entire surface rather than just through the rivets. The result is increased stiffness of the brake disc and particularly direct heat dissipation under continuous load. Thanks to the new technology, the MDR-P is the strongest brake disc in the Magura portfolio while still offering low weight and reduced vibration formation.