Bicycle handlebar hand riser improvement structure

The utility model mainly provides a bicycle handlebar hand riser improvement structure, it includes: a body has one tub of portion, and these pipe portion both ends are equipped with first montage end and second montage end respectively, this first montage end and the montage of bicycle riser, this second montage end and the montage of bicycle handlebar hand, a lid is lengthy motion picture form, the one of which terminal pair answer the body shape and under the slant arcuation extend and be equipped with a clamping portion of colluding the form, make this lid closing cap combine on this body to this pipe portion of closing cap and first montage end, and this second montage end of this clamping portion closing cap, borrow by above -mentioned structure, this lid covers electron device completely, effectively prevents this electron device in contact with water and produces the problem of inefficacy to an efficiency, its simple structure just is convenient for organize establish, has novelty and convenient pract