Enhance your cycling experience with the DECATHLON 8 to 9 Speed Rear Derailleur, designed for bikes equipped with 8 or 9 speeds and a double or triple crankset. This long cage rear derailleur is compatible with Shimano and B'TWIN 8, 9-speed drivetrains, ensuring smooth and precise gear changes for a seamless ride. With a maximum teeth capacity of 36 teeth and a minimum of 11 teeth, this derailleur is perfect for B'Twin- and Shimano-compatible 7- or 9-speed drivetrains. Crafted from a durable steel body, this component is built to last through all your cycling adventures, whether you're touring, trekking, cyclo-crossing, gravel cycling, or simply enjoying urban rides. Easy to install and use, this rear derailleur is a must-have for any cyclist looking to optimize their bike's performance. Upgrade your road bike drivetrain with this reliable and efficient gear part, and enjoy a smoother, more efficient ride every time you hit the road.