Welcome to our store！</br> 1、What Will You Get: This electric bike modification kit includes one controller, two twist grips, 2 keys, one locking throttle and one reverse switch to meet your DIY needs. 2、Great Heat Dissipation: The shell of the controller is made of excellent metal with grooves to protect the internal circuits from thermal overload due to great heat dissipation. 3、Stable and Safe: The voltage of the controller is 48V, the rated power is 1000W, stable and reliable performance. With undervoltage protection, overcurrent protection, stall protection and other protection functions, to ensure the safety of electric bikes. 4、Sensitive Control: Brushed motor controller can provide stable speed and sensitive control of braking and direction change, suitable for electric bikes, electric tricycles, electric motorcycles, etc. 5、Application of Twist Grip: The throttle handle is suitable for 12V to 99V electric bikes, modified bikes, scooters, tricycles and other electric cars, easy to install and operate. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Electric Bike Modification Kit Material: ABS, aluminum alloy, rubber Weight: Approx. 595g/21.0oz Controller Rated Voltage: DC 48V Controller Rated Power: 1000W <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x&nbsp;Controller2 x Twist Grip 2 x Key 1 x Locking Throttle 1 x&nbsp;Reverse Switch Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>