... double wall, silverTires: "700*38C,black with reflex strape, puncture-free, KENDA"Motor: "Alloy front hub motor, 36V/250W,brushless, high ... "K" mark, SPANNIGAWeight: 27.2kg electric bicycle/electric bike lithum battery/e-bike CE EN15194 Frame: "Alloy,mono tube, integrated H/T ... Alloy silver cranks, 42T*170mm, PROWHEELBB Set: Sealed cartridge type, VP,Gear Set: SHIMANO NEXUS inner 8-speedF/R hubs: Front ...