Glodorm Folding Cushion Damper Pad for Ninebot Segway ES1 ES2 ES4 Electric Scooter Anti-Vibration Cushion for Ninebot Scooter Accessories (8PCS) Feature: The flexible damper eliminates all looseness and squeaking. The flexible material will reduce some of the vibrations. Made of high quality rubber Designed for Ninebot ES1 ES2 ES4. Easy to use..