Description: 【Quality Material】The bike bottom bracket install and removal tool is made of premium aluminum alloy and stainless steel material, sturdy and lightweight. 【Main Function】The bike bottom bracket press tools are designed for installation or removal of the bottom bracket. 【Suitable For】The bicycle bottom bracket install and removal tool set is suitable for a lot of press in bottom brackets, like BB86, BB30, BB91, BB92, PF30, etc. 【Great Features】The bicycle bottom bracket bearings install and removal tool can remove almost all common hollow threaded center shaft bearings. 【Note】There has problem that some aluminum sleeve press in type bottom brackets can only remove the bottom bracket bearings. Specification: Material: Aluminum Alloy, Stainless Steel Size Chart: M10 stainless steel screw rod: 210mm/8.27inch M8 hexagonal wrench: 157mm/6.18inch Stainless steel removal rings: 24mm, 26mm, 30mm, 38mm Package Includes: 1 Set Bicycle Bottom Bracket Install Removal Tool with Tool Case Note: Please allow slightly errors due to manual measurement and different monitors.