1、Lightweight and Durable: Made of lightweight aluminum alloy, good finish and solid, lightweight and durable. Constructed with high strength and high hardness, not easy to deform. 2、Adjustable Clamp Size: An easily-adjustable clamp allows for usage on a wide range of frame and bar sizes. 3、Handlebar Mounted Cup Holder Design: Simple, Lightweight, Cycling and Life.Quick and easy access to place the cup into the bottles securely while your hands are free to ride your bike.Carries a range of handle less cups, like your morning coffee, tea or hot chocolate cup. Cup Clamp securely holds your drink on your handlebars so your hands are free to ride your bike. The angled rim allows to fit various cup/mug sizes. 4、Suitable For: Perfect for those who want a fashionable water cage to lighten their load.The Width of cup should be at least 76 mm (3 inch) diameter when measured 20 mm (0.8 inch) from top of cup, maximum high up to 170 mm (6.5 inch).The Multi-Way Mount (Handlebars) Featuring a mount that can be rotated, the holder can be mounted easily on the handlebars. 5、Warning : Use only tapered cups ( wider at top than bottom). Do not use disposable cups. Do not use for off-road, or rough road riding.