Cyclists Choice (Co-Union) – Coffee Cup Holder Handlebar MountThe Cyclists Choice coffee cup holder is the perfect addition to your bike for your next urban adventure or commute to work. With a tapered ring and a foam no-slip liner, your coffee will stay put for your ride.Features:Keep your coffee cup upright for your ride.Sturdy and easy to install.No-slip foam liner.Specifications:MaterialAluminumClamp SizeRegular: 22.2 – 31.8mmQuick Release: 22.2 – 31.8mm