The mechanical Brake Caliper Mount is a crucial component designed specifically for mounting the brake caliper on the wheel of the Dualtron Thunder electric scooter. Each product includes one mounting bracket, which is intended for one wheel. If you need mounting brackets for both wheels, please purchase this product twice. Compatibility: Dualtron Thunder, Dualtron Eagle, Dualtron Spider, Dualtron Ultra, Dualtron Ultra 2, Dualtron 3, Dualtron Storm, Speedway 5, and other Dualtron models.