(Tandem bicycle) This bike is brisk and easy to ride. It is a good tool for the whole family to view and relax. It is also a wise choice for scenic rentals and family fitness. There are also some large hotels/restaurants for short-distance transfers of guests. Even people who don?t know how to ride a bike can freely control (Material) The bicycle adopts a thickened high-carbon steel frame, a thickened knife-shaped rim and an aluminum alloy wheel, which is very sturdy and durable (Double row triple bike) This bike uses a three-row riding design, which is more conducive to the relationship between lovers/friends. On the weekend, you can meet up with friends of three or five to play together, and ride it to start a pleasant trip! Color: The bicycle has three colors of blue/red/green, each color is very fresh, riding on it will definitely make you the focus of the crowd, and then envy you (About after-sales service) Please check carefully after receiving the bicycle. If you have any questions, please contact us as soon as possible. We will resolve it as soon as possible. Customer service is online 24 hours a day. After the bike is photographed, we will ship it within 24 hours