The bike comes with black tire & single speed, only little maintenance needed due to the simple design. Aesthetic to compliment the bike and finish the look of a motorcross. Amazing design and color! Bike with Bright colors, stylish. DIY decals to add extra fun to the ride. Soft seat offers more comfort in riding. This comes with stable training wheel for early rider. Quick release seat simplify the height adjustment. Saddle with holder to learn riding when the training wheel is off. Two hand brakes are well designed for small hand, easy to stop. The children bike comes with 80% Pre-assembled body and the basic assembly tools, only pump needed for tire, normally takes a novice about 30 minutes to assemble it. Including a rev handle to make motorbike sounds + a water bottle.