The Magura MDR-C 203mm rotor is the perfect blend of strength and weight.  More mass = better heat dissipation.  We use these on all of our line of e-bikes. 

Features

• Thanks to the additional connecting ring the one-piece rotor, optimized for e-bikes is particularly stiff, vibration resistant and the ideal all-rounder
• whether on city, trail or e-bike
• E-Bike optimized
• Hole pattern: 6 hole
• 6 steel mounting screws included
• Compatible with: complete MT-Family