Description: - Bicycle Headset Bottom Bracket: Perfect tool for helping you to replace your bike old torn part, use, and convenient to install . - Feature: industry standard construction for fast installation and removal of tool. - Practical: Simple use and effective for headsets and press BB without any problem. - Suitable: Suitable for head tubes up to 140mm in length, mechanic press tool very press in bottom brackets and head cup installations . - Ball Bearing Design: makes it stable while using and would not hurt your bike frames .Specification: - Type: Bicycle Headset Installation Tool - Material: Aluminum alloy, Stainless Steel - Package Size: 30.5cmx6.1cmx3cm/12.01inchx2.40inchx1.18inchPackage Includes:1 Piece Bicycle Headset Installation Tool