K7S Folding Bike Shimano 7 Speed Disc Brake 20 Inch Lightweight Aluminum Foldable Bicycle Folding bike 7 speed with dual disc brake 22" wide handlebar Lightweight aluminum frame, up to 30% lighter than steel or chromo Include fender and rear rack,alloy adjustable kickstand. You can put into the car and boat, airplane. save space in the small place.