Does the brakes have motor inhibitors on the D-class? May 01, 2020 21:49 Updated Yes, they do. Related articles Are the tires puncture resistant on D-class? Can I get the 21Ah battery instead of 18Ah battery and pay the difference? Is D-Class waterproof? How fast can the D-class go? Does the battery charge when I pedal? Comments 0 comments Please sign in to leave a comment.