Do you want a more relaxed and comfortable riding experience? Have you ever learned about electric bike assist sensors? Do you want to try our professional power sensor? If so, then you must not miss our sensor. High-end materials, good workmanship, and stable performance will make you feel a more comfortable riding experience Features -Color:Black. -Material: Plastic.-Size: About56.00X5.00X1.00cm/22.01X1.97X0.39in.-High-end materials ensure the robustness and durability of this booster sensor.- It is suitable for modified bicycles and used as a power sensor for electric bicycles.- This power-assisted sensor will not be affected by road conditions, and different terrain will not change its working performance.- Really understand the user's riding intention, so as to mobilize the battery motor to output just the right amount of power to help the rider.- It can be applied to different types of electric bikes and can be installed by yourself. Packing list: 1 x Sensor