CageMount is a fixer for attaching an additional water bottle cage to the handlebar or seat post. Provides convenient access to an extra water bottle during extended commutes or when cycling in warmer weather.ClampFits 22~ 38 mm (shims included)MaterialEngineering Grade Plastic / SteelMountHandlebar / Seat PostSize (L x W x H)7 x 2.7 x 7.5 cm 2.8" x 1.1" x 2.8"Weight45 g / 1.58 ozArt.no.TCM01