... bike CE EN15194 Frame: Alloy,mono tube, size: 47cmFront Fork: steel, rigid fork,Head Parts: steel, CPHandlebar & Stem: Steel, Holland ... type, alloy adjustable stem, PROMAXHandle Grips: Super soft, ergonomical, double colorBrake Set: Front ... Set: SHIMANO TURNEY TZ-50 6-speedF/R hubs: Front steel CP hub motor, rear alloy hub motorSpokes: steel, ...