Compact chain clean that boasts a heavy duty construction with fully replaceable brushes and scrubbers. Muc-Off's X-1 Chain Cleaner is an effective way to prolong the life of your chain by keeping it squeaky clean and lubed. With 6 rotating brushes and over 56 contact points to your chain's links, the X-1 Chain Cleaner attacks grime from every possible angle to deliver an amazingly deep clean in seconds. Combine the Muc-Off X-1 Chain Cleaner with Bio Drivetrain Cleaner for mind blowing results. Time Saver The Chain Doc will clean your chain in seconds...19 to be exact! Chain Cleaning Made Easy The X-1 Chain Cleaning Device cuts through grease and grime quickly and easily for ultimate drive chain performance. Directions for use After spraying Muc-Off Drivetrain Cleaner over the entire drive chain area, fill the X-1 Chain Cleaning Device with Drivetrain cleaner Clip the chain cleaning device over the chain and slot in the handle Spin the pedals in a reverse motion 4-6 revolutions Remove the X-1 Chain Cleaning Device and rinse the entire drive chain area with clean water