Qooltek Bike Brush Bike Chain Gear Cleaner Washer Chain Cleaning Bicycle Cleaner Scooter Bike Cleaning Brush Scrubber Bicycle Chain Tool Set Portable and convenient for carrying;practical and easy to clean. Perfect tool set for cleaning your bike cassette and other hard to reach places. Quickly and easily to clean the narrow places of the bike chain. Ergonomically designed handles; strong brush bristles. Suitable for varied types of bikes, including mountain bike, road bike, folding bike, BMX etc.