Dahon MU D9 has an extremely light and convenient design for the most efficient movement around the city. The Dalloy Sonus Aluminum Tubeset, Lattice Forged Hinge and V-Clamp Technology aluminium frame is designed with all requirements in mind to ensure a comfortable and smooth ride. Bicycle brake system - DAHON Custom V-brakes, Stainless Link, anchor and pivot bolts. Tires 20" Lightweight Aluminum Double Wall w/ CNC & Schwalbe ROAD CRUISER 20"x1.75", making travel extremely comfortable. Rigid Fork Lightweight and Responsive Dalloy Aluminum, w/ Integrated Crown needs no maintenance and won’t fail.