ANybody know about motorized bicycle: pls give me some tips on buying it.
My mates are going on a hiking trip, so i want to go with them. Becos of my heart condition i cannot hike alot. thats why im thinking of buying a motor kit to intall on to my bicycle. Since electric engines seems expensive, im thinking of petrol driven ones. what shud i look for?
ebay is selling 40cc or 80 cc engines, what does that mean? some engines are installed behind, some in the middle. which is better? any tips?