Aluminum Alloy, Plastic; Bicycle accessory: good and sturdy materials ensure long-lasting durability and resistance to break and deform.; Bearing bottom bracket: with its user-friendly design, this bike bottom bracket allows for easy and quick installation without the need for professional tools, making it a convenient option for bike enthusiasts of all levels.; Replacement bicycles bottom bracket: it is compatible with a wide range of bike brands and models, catering to the diverse needs of different riders.; Bottom bracket replacement: 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.; Threaded bottom bracket for bicycle: crafted from good materials, this bike crankset bottom bracket replacement tool is built to last and deliver exceptional performance over time.

What's in the box
1 x Tools