best electric bike under 500

Mileage can vary hugely depending on many factors. 4. GoPlus 20'' Folding Bike. GoPlus 20'' Folding Bike. (3247) CHECK PRICE. If you're looking for an ebike to take to the mountain on a budget, then the GoPlus folding electric bike could be ideal for you! A superb product in the bikes under the 0 price range.