General description RS550 12V 35000 RPM Electric Motor is specially designed for children's wheels and car modifications. This motor is a direct replacement for most 550 motors, providing high-speed performance for various applications. Technical specifications Rated voltage: 12V Speed: 35000 RPM Color: Silver Material: Metal Dimensions: Width x Depth x Height (exact dimensions not specified, measurement error allowed +/- 1-3 cm) Compatibility and accessories Compatible with most children's wheels Package Contents: 4 x 12V RS550 35000 RPM Motors 4 x 10 teeth 10mm gears 4 x 10 teeth 8.5mm gears