Item Type: Pedal Assist Sensor Material: PC Voltage: 36V/48V Plug: SM Connector Provides Riding Power: The bicycle pedal assist sensor detects pedal rotation or a specific speed and activates the motor to provide assistance during riding. Durable Construction: Made from PC material for durability, resistance to wear, and a long service life. Features fast response speed, strong waterproof performance, and high reliability. Easy Installation: Installs on the left side of the crank for convenient setup. The magnetic discs and coils are detachable, allowing installation without removing the original crank. Wide Compatibility: Suitable for most electric bicycles on the market. Compact size, lightweight design, durable, shockproof, and dustproof. Safe and Accurate Performance: Enhances riding stability and reliability, helping to reduce accidents. The sensor accurately measures pedal force, enabling precise control during operation. Package Includes: 1 x Pedal Assist Sensor