Cycling Bike Bicycle 3D Chain Cleaner Machine Brushes Scrubber Quick Clean Tool Quickly and easily cleans chains, freewheel cogs, and chainrings.Dirty drivetrains shift poorly and wear out prematurely Dirty drivetrains shift poorly and wear out prematurely. Incorporates an extra large reservoir and two step cleaning process to draw metal particles away from chain. Effectively keeping them from being redistributed on the chain during cleaning.