Vktech&reg; Bicycle Cycling Water Bottle Cage Holder Clamp Clip Handlebar Bracket Mount Fits rod diameter of 2.0cm to 2.4cm/ 0.8in to 0.95in Distance between the two mount holes: 6.3cm/ 2.5in Allows you to attach water bottle cages to bicycle frame For bicycles without the water bottle brace-on Suitable for most road bikes and mountain bikes