【Exact size】The size of the bike hole axis base is 68mm and fits into the 68mm frame to ensure a perfect match to your bike.
【Lightweight design】The weight of the sealed cartridge bottom bracket is about 316g/11.15oz, which is light and not too heavy, providing a smoother riding experience.
【Easy installation】the bike bottom bracket of the bicycle is equipped with 2 bearings, which is compact in structure and easy to install. Please use BB tool to install and replace the base to ensure safety.
【High quality material】The standard threaded bottom bracket is made of high-quality steel to ensure that it is robust and can withstand long periods of use and heavy loads.
【Multi-functional application】Bicycle square hole shaft is suitable for different types of bicycles, including mountain bikes, road bikes and urban bikes, to meet different riding needs.