Durable with sturdy materials. It can be used repeatedly for bike maintenance with high quality nylon and ABS plastic material which is hard to be broken. Can use with special cleaning oil, gasoline, diesel oil. Comprehensive cleaning. There are two ends, one is for chains that have long fine hairs, you can clean places such as pinions, derailleurs, brakes, pedals and pedals. The other end uses 3-sided bristles that you can clean the 4 sides of motorcycle and bike chain. Protect function. Regular component cleaning helps prevent premature wear of your drivetrain and helps maintain smooth operation when riding the motorcycle and bike. Easy to use : The chain clips can be cleaned directly without remove the chain out from the bicycle or motorcycle. The chain can be washed quickly by using the chain brush cleaner. Multi usage. The cleaning brushes can be used for chains, gears, suitable for different bikes with chain or gear, such as mountain bike, mtb, road bike, BMX, all could get a deep cleaning.