NinebotES1/ES2/ES3/ES4 aluminum handle ring, metal rubber ring, bicycle accessories Skateboard replacement accessories. 2. Easy installation: Quick release design means easy installation and removal. This kit is great for handlebars. 3. Excellent performance: The ringtone always provides a clear call tone, allowing you to hear clearly and making driving safer. Product Category electric scooter For people Universal weight 0.02 (kg) Specification No. 9 scooter rubber ring bell article number ES00030-B Origin China color No. 9 Scooter Rubber Ring Bell