... -speed 4.Samples are available in Europe electric bike folding bike e-folding 2011 40-50 km per chargePedelec, Max ... 32"x48T*170MM, steel chainring and alloy cranks,PROWHEELRims:20"x14Gx36H, alloy double wall BK/CNCSpokesC45 steel, ... alloy silverPedals: Alloy/plastic , with reflector, foldableAccessories:Alloy carrier,alloy mudguards, steel rear-kickstand, front/ rear alkaline battery light, with wheel ...