This 1mm thick aluminum spacer is designed for Bafang BBS01/BBS02 chainrings. It's suitable for BCD104, BCD110, and BCD130 chainwheel spiders, offering reliable performance and durability.

Using this chainring spacer is easy. Just place it where it's needed between the chainring and the chainwheel spider. When installing, make sure it's properly aligned. As for maintenance, keep it clean and dry. You can use a soft cloth to wipe it regularly. If you notice any signs of wear or damage, it might be time to replace it.