Buying a second hand bike is a good idea.Because most rider first learn riding and if you learn riding with a new one then a new bike will get damaged.So for the first time to buy a second hand bike would be better idea. But while buying you have to keep some certain things in mind.Whether the bike is suiting the prize.It would always be wise to ask for what reason he or she is selling it.To know the condition of the bike would be of greater help.You should ensure who is the owner of the bike. If you want to test drive it would add more help to know the condition of the bike. Ask him whether he can give you proper agreement paper duly signed by him. So all these tips should be followed before you buy a bike in order to avoid future problems.