This bottom bracket is made of good material, which can withstand use. Features the aluminum alloy and plastic material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This bottom bracket will make the repair and fix easier and smoother. Features -Color:Black -Material:Aluminum Alloy, Plastic -Size:9.00X4.00X4.00cm/3.54X1.57X1.57in -Crafted from good materials, this bike crankset bottom bracket replacement tool is built to last and deliver exceptional performance over time. -With a user-friendly design, this tool is easy to install and use, making it a convenient choice for bike enthusiasts of all levels. -Scientific design, high strength, high hardness, and excellent durability, it will easily meet your needs. -Thanks to its secure and reliable connection between the crankset bottom bracket, you can ride with confidence that your bike is performing at its best. -Compatible with a wide range of bike brands and models, this tool is a versatile choice for anyone looking to upgrade their bike performance. Package list: 2 x Bike Bottom Bracket