DTFly EX01 Extreme Folding Bike Frame: 20" Steel, FoldableFork: SteelMudguard: PlasticRim: Alloy, Double-wallHubs: SteelSpork & Nipple: 45#,EDTire: 20*2.35Tube:  20" Natural Rubber, AV Handlebar: SteelStem: Steel, Foldable---------------------------------------------Seat Post: SteelChainwheel & Crank: 52T, SteelPedal: Plastic, FoldableWater Bottle: PlasticWater Bottle Cage: SteelKickstand: SteelQuick Release: AlloyShifter: Copy Shimano...

DTFly EX02 Extreme Folding Bike Frame: 20" SteelFork: SteelMudguard: PlasticRim: Double-Wall, AlloyHubs: SteelTire: Copy Kenda,20*195Tube: Natural, AVShifter: R:Copy Shimano,TX30-7Freewheel: 7 PiecesRear Derailleur: Copy Shimano,RD-TZ30Handlebar: SteelStem: Steel, FoldableChainwheel: Steel, Crank: SteelSeat Post: SteelPedal: PlasticKickstand: SteelPacking: SKD,85%