The Magura MDR-C disc brake rotor is an ideal all-rounder ? for city, trail and e-bikes. The improved lateral rigidity reduces vibrations and noise during braking, and also has improved heat resistance and increased stability. Features: Optimized for eBike use Prepared for tone wheel or magnet Wear optimized ring design Equipped with a center lock mount for corresponding hubs Center Lock with lockring for quick-release-axle (internal tool intervention)