Maintenance of the bicycle integrated bottom bracket conversion sleeve is simple . Regularly check the sleeve and washer for signs of wear or damage, and replace them as needed to ensure optimal performance. Keeping the bottom bracket area clean and well-lubricated will also help to extend the life of the conversion sleeve and other components. This product is designed to make bike maintenance easier and more . Features -Color:Black -Material:Iron -Size:2.40X2.40X0.10cm/0.94X0.94X0.04in -Size:3.00X3.00X0.30cm/1.18X1.18X0.12in -Wideranging compatibility: this bottom bracket adapter sleeve is compatible with washers, making it suitable for a variety of bicycle brands and models -Exceptional durability: engineered to withstand high pressure, this adapter sleeve is highly durable, ensuring it can handle rigorous use -Easy installation: with a design that allows for easy installation, this adapter sleeve requires no tools, simplifying the setup process -Enhanced riding performance: by minimizing vibrations and noise, this bottom bracket adapter sleeve provides a more stable and comfortable riding experience - reliability: designed with longevity in mind, this adapter sleeve is built to offer extended use, maintaining its effectiveness over time Package list: 1 x Bike Gasket