If you need to perform maintenance on your MZ SM Gangsta then it is usually recommended to have a Workshop Manual to use as reference if you need to know ways to remove a specific component including Wheel Bearing and match it again in the right way.
MZ SM Gangsta Workshop Manuals will provide you with precise diagnostic details for the automobile therefore if something is broken it helps you figure out what the problem is and the best way to correct it. You can then analyse if this can be achieved yourself or if the job is too big it is possible to make a reservation for your SM Gangsta right into a nearby friendly mechanic.
MZ SM Gangsta manual