Alivio RD-M3100 9 Speed Rear Derailleur

The 9 - speed SHIMANO SHADOW RD rear derailleur features a sleek low - profile design. It has a total capacity of 45T and can handle a maximum low sprocket of 36T. It also comes with an adjustment barrel for easy fine - tuning, ensuring smooth and efficient gear changes during your rides.

Using this rear derailleur is easy. First, make sure it's properly installed on your bike. When you shift gears, you'll notice smooth transitions thanks to its great design. To keep it working well, regularly clean it with a soft cloth to remove dirt and grime. Check the adjustment barrel from time to time and adjust it if the gear shifts aren't as smooth as they should be. Avoid exposing it to extreme conditions like excessive water or very dirty environments. If you have any problems, it's best to take it to a professional bike mechanic for help.