Dahon Vitesse i7 20'' 7 Speed Folding Bicycle (Coffee) Dalloy Sonus tubeset aluminum frame 20" Aluminum Rims with 20 Hole Alloy Front and Shimano 32 Hole Nexus 7 Rear DAHON Ergo Comfort saddle Lightweight Dalloy Sonus Tubeset, Forged Lattice Hinge w/ Vicegrip Technology Shimano Nexus Internal Hub