If you wish to carry out maintenance tasks on your GAS GAS EC Rookie 50 then it is always a good idea to own a Workshop Manual to keep just for personal reference if perhaps you want to know simple methods to remove a specific part like the Wheel Bearing and match it again adequately.
GAS GAS EC Rookie 50 Workshop Manuals offers clear targeted diagnostic details for the vehicle so if something is wrong it will help you understand what the situation is and ways to make it better. You can then determine if this can be done yourself or in case the job is just too big you could make a reservation for your EC Rookie 50 right into a suitable mechanic.
GAS GAS EC Rookie 50 manual