pWelcome to our storep1DURABLE ALUMINUM ALLOY Made of aluminum alloy, the most suitable material for bicycle water bottle holder, solid and durable. 2EASY INSTALLATION Only two screws need to be attached, it is very easy to install it with the wrench. 3Stay hydrated during the bike ride The bicycle water bottle can be used quickly and easily when needed. Very suitable for road bikes, mountain bikes, hybrid bikes, touring bikes and electric bikes. Multiple support points, so more stable. 4Multifunctional Very suitable for mountain bikes, bicycles, strollers, wheelchairs. Suitable for mounting on handlebars, seat posts, etc., as well as motorcycles, fishing umbrellas, etc. tube diameter range from 1832 mm. It can accommodate smaller bottles and cups within 73.5 mm standard. 5Durable quality matches your bike High quality ABS material, heat treated, strong and lightweight. Powder coated surface and high roller treatment match your shiny bike color. Very easy to wipe and clean. The weight is only 42g1.5oz. Name Water Bottle Holder Material ABS Size As shown Tube diameter range 1832mm Accommodates water bottle Within 73.5mm inner diameter Color Black, Blue 1 Bottle Holder 1Tool 2Screw 1 Tube ClamppSatisfaction Guarantee Customers are our top priority. If you find any problem with the product, please contact the seller immediately. We strive to provide satisfactory customer service. p