Award winning design that wraps around your handlebar Beautiful tone sounds like an angel playing a glockenspiel Flexible clamp pops over bar in seconds, built in cable management system Aluminum ring offered in a variety of colors Small fits 22.2mm bars Large size includes shims to fit 23.831.8mm bars 2 year warranty More: https://www.youtube.com/watch?v=AacAViV6LfA&t=80s