The bicycle integrated bottom bracket conversion sleeve with a washer is designed to enhance the overall performance of your bike. By providing a secure and stable connection between the crankset and the bottom bracket, it reduces friction and wear, leading to a more efficient and enjoyable ride. This product is ideal for cyclists who want to optimize their bike's performance without compromising on quality or reliability. Features -Color:Black -Material:Iron -Size:2.40X2.40X0.10cm/0.94X0.94X0.04in -Size:3.00X3.00X0.30cm/1.18X1.18X0.12in -Extensive compatibility: compatible with washers, this bottom bracket adapter sleeve fits a variety of bicycle brands and models, offering extensive versatility -High pressure resistance: built to endure high pressure, this adapter sleeve is highly durable, ensuring reliable performance over time -Easy to install: designed for easy installation, this adapter sleeve requires no tools, making it accessible for all users -Improved riding stability: this bottom bracket adapter sleeve reduces vibrations and noise, enhancing the overall riding experience -Durable design: carefully crafted for longevity, this adapter sleeve is designed to provide longterm use, maintaining its functionality and effectiveness Package list: 1 x Bike Gasket