Attach your Lightset / Camera - Our Hollowgram specific mounts are also compatible with our gopro style adaptors (sold seperately) allowing you to attach any friction mounted style device to the bottom of the computer mount to declutter your handlebars even further. Easy to install - The JRC Components Wahoo mount for Cannondale Hollowgram Knot handlebars is only 41 grams in weight and has just a few easy to install components; the mount and a pair of fixing bolts to attach the device to your Knot / Save Handlebars. Wide color assortment - As with all bike accessories, finding a bike computer mount that matches the color of the bike is a challenge, but not any more thanks to the our variety of 10 different anodized colors that allow you to color match the mount to your bike. Wahoo compatibility - The resin insert of the Cannondale Hollowgram KNOT system Wahoo mount has been designed to support the Wahoo Elemnt line of monitors so that you can ride the bike on any terrain knowing that your computer is fully secured. Suitable for Cannondale handlebars - The JRC Components underbar mount has been specifically designed for the Cannondale Knot handlebar making it the most suitable choice due to its 4.5 inch length and 2 inch distance between the bolts.