... bicycle, steel frame and fork, 42T Chainwheel & Crank, Sunrun 7 speed derailleur, with fender and carrire 20"Steel folding bicycle, steel ... and fork, 42T Chainwheel & Crank, Sunrun 7 speed derailleur, with fender and carrire20" 6 speed alloy folding bicycle(WL-2051S)Specifications: 1 ...