If you have to execute fixes to your Rieju RS2 Pro Matrix then it is always recommended to possess a Workshop Manual for a guide if you need to know proven methods to strip off a particular part for example the Brake Discs and match it again in the correct way.
Rieju RS2 Pro Matrix Workshop Manuals can offer you distinct diagnostic details for the car so if something is playing up it will help you work out what the problem is and tips to resolve it. Then you are able to decide if this can be done on your own or in the event the job is too big you can make a booking for your RS2 Pro Matrix in to a trusted garage.
Rieju RS2 Pro Matrix manual