The Shimano SM-CRE70-B chainring is designed for the Shimano STEPS E7000 e-MTB drive system. It features a modern design and is suitable for 9/10/11-speed drive units, offering a smooth and efficient riding experience.

Using this chainring is straightforward. Just install it on your Shimano STEPS E7000 e-MTB drive system. When riding, it'll work well with 9/10/11-speed drive units. As for maintenance, regularly clean the chainring to remove dirt and debris. Check for any signs of wear and tear. If you notice excessive wear, it's time to replace it. Also, make sure to keep it dry to prevent rusting. Be careful when installing or removing it to avoid any damage to the chainring or the drive system.