Ecarpat 24 26 27.5 Inch Mens Mountain Bike, 21 Speeds Aluminum/Carbon Steel Mountain Bike, Disc Brakes and Suspension Fork Mountain Bike, Adult Sport Bicycle for Trail Snow Commuter City Road

• 【Aluminum Frame Mountain Bike】The 17-inch Aluminum frame allows for ultimate bump absorption, and reduces wind resistance during riding, making a smooth ride on mountain roads, forest paths, and highways. 【Powerful Braking System】 This mens mountain bike adopted sophisticated mechanical disc brakes that allow for more precise and controlled braking. Mechanical disc brakes are more effective than V brakes, helping to keep you safer when riding at high speeds, down slopes, and in wet and slippery conditions. 【Excellent Speed Shifter】This Mountain Bike has a superior shifter with the Classic 21 speeds. The front and rear derailleurs allow you to smoothly change gear to suit a variety of terrains. 【27.5-inch Unique Tire】Durable alloy rims and rubber tires roll over any terrain. Our Mountain Bike’s tires are made of high-quality rubber and have strong puncture and abrasion resistance. 【Quick Installation】 The Bicycles arrive 85% assembled and include free pedals and assembly tools. It is easy enough to put together in 20 minutes with the help video. We are more than happy to help you solve any problems and offer professional after-sales service. Please feel free to contact us if you have any questions.