ITEM NAME:Easy Install Outdoor Cycling Bike Water Bottle Cage Aluminium Alloy Colorful Features: Material: The bottle cage is made of aluminum alloy material and manufacturing process, which has super strength and durability. Colorful: Bike water bottle cage made of vacuum electroplating process,makes each road bike bottle holder metal texture,more attractive. Hold Tight:The bike bottle cage has arms that wrap around the bottle and non-slip design in two side,it hold bottle securely so you don't worry about bottle tipping over or popping out during your ride.&;nbsp; Universal: Bicycle water bottle holder fits most standard and oversized bikes water bottles. Easy to Install: Use a screwdriver to fasten cages with two screws (included) in screw holes on bike frame. Specifications: Material: aluminum alloy Color: colorful Size(L x W):about 15x8cm/5.91x3.15inch Package included: 1pc x water bottle holder 1pc x wrench 2pcs x screw Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement..Hold Tight:The bike bottle cage has arms that wrap around the bottle and non-slip design in two side,it hold bottle securely so you don't worry about bottle tipping over or popping out during your ride.