Magura mdr-c ebike disc rotor - 203mm center lock w/ lock ring for quick release axle silver 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. - 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)