If you wish to perform auto repairs for your Beta RR 50 Alu then it is usually recommended to own a Workshop Manual for reference just in case you need to know methods to remove a particular component for example the Wheel Bearing and match it again adequately.
Beta RR 50 Alu Workshop Manuals will give you exact diagnostic details with regards to your vehicle so if something is faulty it can help you work out what the situation is and easy methods to correct it. Then you are able to analyse if this can be achieved yourself or if the job is simply too big you could make a reservation for your RR 50 Alu in to a trusted friendly mechanic.
Beta RR 50 Alu manual