3pin connectors are , made of high - quality materials. They reliable performance for your e - bike, especially for the thumb throttle cable, providing a smooth connection for a great ride. Wide Compatibility: These connectors are highly versatile. They can extend Gear Sensor, Thumb Throttle, Twist - throttle, Brake levers, and hydraulic brake sensor, enhancing your e - bike's throttle system functionality. Easy Installation: Installing our 3 - pin connectors is a breeze. Whether you're connecting the thumb throttle cable or other parts on your e - bike, even beginners can set them up quickly. Robust Build: Constructed with tough materials, our connectors can withstand regular use. They offer stable connections for your e - bike's throttle and sensor components, ensuring long - term service. Waterproof Design: Featuring waterproof connectors, our 3 pin e-bike throttle connectors can handle weather conditions. They protect connections related to the thumb throttle cable, keeping your e-bike running well in all weathers. Specification:B:Connectors Female-Female Color: Black Material: plastic Package Contents: 1 x 3 Pin EBike Throttle Connectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.