Stay Hydrated On Your Ride - Quick & Easy access to your bike water bottle when you need it. Great for road, mountain, hybrid, touring & electric bicycles. Buy 2 bottle cages to stay hydrated for those extra long rides, so you can go the distance!! Secure And Sturdy Bottle Retention System ensures a full bottle stays firmly in place when riding, whether you're out riding fast on roads or bumpy trails. Fits most standard & over sized bike water bottles, including the following sizes: 20, 21, 25, 24, 25 & 33 oz / ounces (500, 550, 650, 750 & 950 ml sizes). One-piece flexible design, adjustable +/- 0.2 inches / 0.5cm to accommodate slightly smaller or larger sized bike water bottles such as insulated bottles. Superb Durable Quality & Stunning Finish To Match Your Bike - CNC machined aluminium alloy, heated treated for a strong & lightweight design. Powder coated finish and high tumble polished to match your shiny bike paintwork. Extremely easy to wipe off and clean. Lightweight at only 48g/1.69oz. Quick & Easy To Install - Mount on your bike frame in under 60 seconds. Oval mounting holes allow for fine-tuning of position on frame. 2 stainless steel bolts included. Important Note: Bike frame requires threaded holes for installation for bottle cage installation. Bottle cage only designed to be mounted on bike frame - seat post tube and/or angled down tube. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.