Features1Aluminum alloy construction with anodized finish, super strong and lightweight. 2Used for installing water bottle cage or battery pack. 3Suitable for bicycle handlebar and seat tube with 32mm-35mm diameter.SpecificationA must-have accessory for bicycle riders to install their water bottle cage or battery pack.Features:Aluminum alloy construction with anodized finish, super strong and lightweight.Used for installing water bottle cage or battery pack.Suitable for bicycle handlebar and seat tube with 32mm-35mm diameter.Specifications:Color: Blue / Red / Black (optional)Material: Aluminum alloyPart 1 Size: 62 * 40 * 12mm / 2.4 * 1.6 * 0.5inPart 2 Size: 75 * 18 * 8mm / 3.0 * 0.7 * 0.3inWeight: 37g / 1.3ozPackage size: 14.5 * 8.8 * 1.5cm / 5.7 * 3.5 * 0.6inPackage weight: 52g / 1.8ozPackage List:1 * Bicycle MountNote: Water Bottle Cage is Not included.Package List1 * Bicycle MountNote: Water Bottle Cage is Not included.