Strong injection moulded Plastic clip on race number board mount with ultra strong Velcro front applied. Designed to fit 31.8 & 35mm clamp handlebars Race proven in all weathers survives crashes and rain and snow crashes and jet wash proof. 2 clips per order ready to fit and use straight away. Benefits: 1. smart looking well displayed race board no more folding it over to make it fit or it flapping around. 2.No more zip ties scuffing your bars 3.Environmentally friendly due to its re-use unlike one use zip ties. 4.You can wall mount your board after a race using Velcro and not staples or pins Fits integrated cable routed headsets, some cutting of boards maybe required to help fit over cables.