Handleabar 1.including:handlebar,stem,bar end,seat post,seat clamp 2.aluminum alloy 3.dia. of stem:27 ... NO.AL+AS+SPColorblackAttributegroup setMaterialaluminum alloyItemhandlebar,stem,bar end,seat post,seat clamp Specifications and Advantagescan be exposure to any condition ... the weight is light enoughincluding handlebar,stem,bar end,seat post,seat clamp Packing and Delivery packing detail : can be ...