Installing the bicycle integrated bottom bracket conversion sleeve is straightforward. First, remove the existing bottom bracket and clean the area thoroughly. Next, insert the conversion sleeve into the bottom bracket shell, ensuring it is aligned correctly. Finally, place the washer and reassemble the crankset. This process enhances the bike's performance by ensuring a tight and secure fit, reducing wear and tear on the components. Features - Color: Black -Material:Iron - Size: 3.00X3.00X0.10cm/1.18X1.18X0.04in - Size: 3.85X3.85X0.10cm/1.51X1.51X0.04in -Wide application: this bottom bracket adapter sleeve is compatible with washers, making it suitable for various bicycle brands and models -High durability: built to withstand high pressure, this adapter sleeve ensures performance and reliability -Easy to use installation: no need for tools; this adapter sleeve can be easily installed by anyone, simplifying the setup process -Improved stability: by reducing vibrations and noise, this bottom bracket adapter sleeve enhances the overall riding experience, providing smoother rides - use: designed with longevity in mind, this adapter sleeve is crafted to offer extended use, maintaining its effectiveness over time Package list: 1 x Bike Gasket