If you choose to execute maintenance tasks on your own Derbi Senda R DRD then it will always be a good plan to have access to a Workshop Manual to keep just for a reference in the event that you need to know the best way to strip off a particular part for example, the Wheel and match it again safely.
Derbi Senda R DRD Workshop Manuals provide you with exact diagnostic guides on your car or truck so if something is faulty it helps you work out what the issue is and easy methods to repair it. Then you are able to evaluate if you can do this yourself or in the event the job is too big you can actually book your Senda R DRD in with a suitable repair garage.
Derbi Senda R DRD manual