The bicycle integrated bottom bracket conversion sleeve is an essential component for any cyclist looking to improve their bike's performance. Its compatibility with washers ensures a secure and stable fit, reducing friction and enhancing the overall riding experience. Whether you're a cyclist or a , this product will help you get the of your bike, ensuring a smooth and efficient ride every time. Features - Color: Black -Material:Iron - Size: 3.00X3.00X0.10cm/1.18X1.18X0.04in - Size: 3.85X3.85X0.10cm/1.51X1.51X0.04in -Versatile application: compatible with washers, this bottom bracket adapter sleeve fits numerous bicycle brands and models, ensuring versatile use -Durable construction: built to resist high pressure, this adapter sleeve is highly durable, providing reliable performance over time -Easy to use setup: designed for easy installation, this adapter sleeve requires no tools, making it convenient for all users -Improved riding quality: this bottom bracket adapter sleeve reduces vibrations and noise, enhancing the overall riding experience -Extended durability: meticulously designed and manufactured, this adapter sleeve is built to last, ensuring longterm functionality and reliability Package list: 4 x Bike Gasket