The Shimano Acera RD-M360 rear derailleur in sleek black with a long cage is a great choice for casual MTB riders. It's compatible with cassettes up to 34 teeth. Its wide link design boosts stiffness, delivering smooth, responsive shifting and long - lasting durability. This derailleur offers crisp shifts even under heavy load and acceleration, has a light action for easy gear changes, and features low - friction link pivot bushings that enhance shifting performance.

Using this Shimano Acera RD - M360 rear derailleur is straightforward. Just install it on your bike according to the standard installation steps. When riding, you can shift gears smoothly by using your bike's shifter. Remember to avoid shifting gears under extremely heavy loads as it may cause some wear. For maintenance, clean the derailleur regularly with a soft cloth to remove dirt and grime. You can also apply a small amount of lubricant to the moving parts to keep it working smoothly. If you notice any abnormal noises or difficulty in shifting, it's a good idea to have it checked by a professional bike mechanic.