Description <br> Description: <br> 【Product】: This is a Bottom Bracket Installation and Removal Tool, also known as a Bottom Bracket Socket Wrench. It is a must have tool for any bicycle maintenance or repair tasks. <br> 【Material】: Made from quality aluminum alloy, this bottom bracket tool is designed to be sturdy and long term use, ensuring it can withstand the rigors of regular use. <br> 【Size】: The tool dimensions are 55.5*31mm, compact and easy to handle. making it suitable for a wide range of bottom brackets. <br> 【Feature】: The tooth shape ensures that the tool will not slip during use while its smooth surface prevents damage to the bottom bracket. <br> 【Versatile Compatibility】: The Bicycle Bottom Bracket Tool is designed to accommodate five different bottom bracket sizes, making it a versatile tool for any cyclist. <br> Specification: <br> Material:Aluminum Alloy <br> Size Chart: <br> 5.55cmx3.1cm/2.19inchx1.22inch <br> Package Includes: <br> 1Bicycle Bottom Bracket Removal Tool <br> Note: <br> Please allow slightly errors due to manual measurement and different monitors. <br>