Welcome to our store！</br> 1、Quick installation and removal, specifications include 3x7speed, 3x8speed, 3x9speed. 2、Dial 3 speed with your left hand, dial 7/8/9 speed with your right hand. 3、Its quality is stable, perfectly compatible with for speed control system. 4、Cost performance is quite outstanding, it is a good choice for car friends who pursue high cost performance. 5、Made of firm metal, lightweight and integrated design, easy to control. <div class="wang-edit-text"><span style="font-family:Arial;font-size:16px;"><strong>Features:</strong> <ul> <li> <span style="font-family:Arial;font-size:16px;">Quick installation and removal, specifications include 3x7speed, 3x8speed, 3x9speed. </li> <li> <span style="font-family:Arial;font-size:16px;">Dial 3 speed with your left hand, dial 7/8/9 speed with your right hand. </li> <li> <span style="font-family:Arial;font-size:16px;">Its quality is stable, perfectly compatible with for speed control system. </li> <li> <span style="font-family:Arial;font-size:16px;">Cost performance is quite outstanding, it is a good choice for car friends who pursue high cost performance. </li> <li> <span style="font-family:Arial;font-size:16px;">Made of firm metal, lightweight and integrated design, easy to control. </li> </ul> <span style="font-family:Arial;font-size:16px;"><strong>Specification:</strong> <span style="font-family:Arial;font-size:16px;">Condition: Brand New <span style="font-family:Arial;font-size:16px;">Material: Metal <span style="font-family:Arial;font-size:16px;">Color: Black <span style="font-family:Arial;font-size:16px;">Options: 3x7Speed, 3*8Speed, 3*9Speed <span style="font-family:Arial;font-size:16px;">Size: Approx. 11.5 * 8 * 5.5 cm / 4.5 * 3.1 * 2.2 in <span style="font-family:Arial;font-size:16px;">Weight: Approx. 315g <span style="font-family:Arial;font-size:16px;"><strong>Package List:</strong> <span style="font-family:Arial;font-size:16px;">1 * Pair of Bike Derailleurs </div> 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>