The men"s DS Firewire from Schwinn is the perfect bike for your next cycling trip. Designed to provide you with an agile yet stable ride, this mountain bike is great for riding over a wide range of terrain. Its disc brakes are extremely responsive, even when they come in contact with dirt, mud and water. This blue and black 24-speed bike features an 18-inch frame, 29-inch wheels and a comfortable ergonomic seat.