... 75 alloy frame and high end equipment -easy folding and carry -10kg only Frame:14"x1.75 ... alloy, TIG welded, patented folding structureFork:1",hiten, TIG weldedHandlebar:alloy, low rise ... , with alloy folding type stemBrake Set:F/R: alloy V brakes, silverCrank Set:steel chain wheel, 3 ... /32"*46T*152L, with alloy cranksPedals: PP ,9/16", folding type, ...