Product Description: Products for bicycles plus water bottle holder, for the bicycle without the horizontal rack hole to increase the horizontal rack can be placed.
material is PoAluminum Alloy+Rubber ,Sturdy and freely rotating adjustment, the base contains a rubber ring to prevent scratching the car paint. Product Size:The middle washer can be adjusted 2-2.4cm
Tip:product color and size for manual measurement and scene light-based, the specific size error and color for the receipt of the actualproduct shall prevail