Topeak cage shuttlesecure a water bottle to your frame with topeaks lightweight cage shuttle an innovative design lets you install the bolts before mounting the cage in position as is often the case with a traditional bottle cage bolts and washers have been included to prevent damage from over tightening the mounting bolts featuresmaterial engineering grade plasticfits standard water bottlemetal washers includedmounts to bike frame with bolts installeddimensions 146x81x78cm57x32x3 1