The Yanmis Scooter Rear Wheel Bearing Spacer 10-Pack is a must-have upgrade for electric scooter riders. This kit comes with ten M12x9x16mm steel wear-proof bushings that prevent brake disc friction and wobbling, ensuring optimal performance and longevity for your scooter. The bushings are easily installed with a DIY installation guide provided, making it a quick and cost-effective solution. Made from high-quality steel, these spacers provide a firm yet durable support for the rear wheel bearing, reducing the likelihood of damage or failure. Invest in this product today and experience the difference in your electric scooter's performance and durability.