CZJB's popular 110SZ with disc brake and multispeed model standardization motor has a high cost-effectiveness and is widely adopted by well-known domestic electric vehicle manufacturers and meets national standards.The motors operate in a power range of 350 to 500 watts. The 350W motor is ideal for moderate assist and leisure riding, while the 500W motor offers more torque and speed, making it better suited for steep hills and heavier loads