The Stages Cycling Dash Aerobar Mount safely and securely attaches your Dash Computer to your bike for easy use and viewing, ride after ride. Durable aluminum construction maintains resilience without adding much weight to your bike, while the highly visible, blue anodized locking lever provides a stable, unwavering attachment. This mount allows you to set up your computer in landscape or portrait mode, and easily clamps to bars with diameters from 22. 2 to 24mm.