Used The bike is a large to extra large in size. It has 29 wheels. Its a hardnine 5 hardtail eMBT. It has Bosch battery performance 500wh. Nothing has been changed on bike since I got it, iv used it no more than 25 times in the three years iv owned it and this has only been for short journeys. Its a great bike, runs smoothly. Iv had no problems at all with it. It does have a couple of little faint scratches on frame but other than that, the bike is in great form.