Original disc brake rotor Magura Storm HC made for all Magura MT brake family from the basic MT SPORT 2-piston brakes till very powerfull Magura MT7 PRO 4-piston brakes. Storm HC rotor is very light but still very durable and is designed for extreme use and provides best braking performance even under large braking forces. Very stable rotor ever if you use powerfull 4-piston brakes Magura MT. Rotor is made from stell and can be mounted with standard 6-bolts mount on the bike hub. Mounting bolts are supplied in the package. Magura Storm HC rotor is also ready for use on e-bikes.