Weksi Cycling Bike Bicycle Glass Carbon Fiber Water Bottle Holder Cages Rack Color: Blue, Carbon Black, Red, Black, White Material: Glass Carbon Fiber Fit: suitable for all kinds of water bottle Suitable For Bottle Dottom Dia Over 55mm, bottle size is around : 144mm*85mm*84mm With perfectly streamlined, plastic water bottle or aluminum water bottle used to carry, lightweight, suitable for road bikes and mountain bikes