26" Mountain Bike w/ 21-Speed Gears Unisex Folding Mountain Bicycle

Do you want to make traveling more environmentally friendly, healthier, and more convenient? Then this 26" mountain folding bike with 21-speed gears is for you. It allows you to enjoy eco-friendly and safe travel while increasing your exercise. Imagine, on a rest day, cycling around with three or two friends, isn't it a good way to soothe your tired body and mind and enhance your physical fitness? Feature: Environment Friendly: Traveling by bike does not require fuel or gasoline and does not produce harmful gases during the ride, making it an environmentally friendly way to travel. In other words, it also does not incur additional costs and is economical and affordable. 21-Speed Bike: Its main wheel has 3 discs and the driven wheel has 7 discs, you can choose to hang on different discs of the main and driven wheels to get 21 different speeds to facilitate your ride. Good Damping Effect: Its shock-absorbing frame and U-shaped shock-absorbing fork give it a stronger damping ef