Specification: *Practical and light weight design. *No screws, fix it in the mounting holes of bike frame. *Strongly-gripped hinge, fix the holder tightly. *Sturdy structure, prevent from deformation damage. *Convenient to fetch drink from a bottle holder. *For bikes which have no holder or inadequate for a frame holder. *Suitable for varied types of bikes, including mountain bike and folding bike. Type: Bottle Holder Material: Aluminium Alloy Design: Concise Applies to: General Cycling, Mountain Biking, Road Vehicles, Folding Bike Features: Sport Water Bottle Rack, Easy to Use, Durable Hole Distance: 5.6cm - 7.2cm/2.2" - 2.83" (Approx.) Notes: 1. Due to the difference between different monitors, the pictures may not reflect the actual color of the item. 2. Compare the detail sizes with yours, please allow slight difference due to manual measurement. 3. We won't supply screw, you need to buy it yourself. Package Includes: 1 x Cycling Bottle Plastic Holder (Without Screw)