The Electric Scooter Sprocket 25H Chain, featuring an innovative 9T/11T/13T pinion gear system, is the perfect solution for upgrading your e-scooter's transmission. Made with a durable 4mm pitch thickness, this replacement drive gear ensures smooth and efficient operation. By switching to this electric scooter sprocket, you'll experience a significant increase in speed and power, while also extending the lifespan of your motor and batteries. Get ahead of the competition with this top-quality accessory for DC motor-powered e-scooters, designed to meet the needs of advanced riders and professionals alike.