1.Easy to use: the chain is easy to clean with this helper. Works with any bike. Fill the chamber with the detergent of your choice. Mount the chain cleaner on your chain and use the pedal to move the chain clockwise. With the bicycle chain cleaning device, every bicycle rider can always have a perfectly cleaned chain. 2.The bicycle chain cleaner with brushes is made of hard plastic which is extremely difficult to break and resistant to chemicals such as detergents. Cyclists can use this device again and again for the maintenance of their bike without having to disassemble the chain from the bike for use 3.Highly efficient cleaning of the chain. The bicycle chain cleaning fluid or cleaning oil (not included) can remove the dirt from the chain and the individual bearings in all corners and cracks. After deep cleaning, your bike will look like again! 4.Versatile use for a wide range of bikes. The cleaning device is effective for chain cleaning of most bicycles with / without gear (incl. city bike, road bike, mountain bike, trekking bike and other bicycle types)