Properly maintaining and cleaning your rowing machine is an important part of ownership. Allow feet to rest on the rail, and sand and grit from shoes drop on the stainless and then become embedded in the softer poly rollers and create friction. Clean your Concept 2 rower with each use and it will reward you with decades of faithful reliable service. This video gives you some pointers on how to clean the wheels and track easily, and reminds you of the importance. Friction = time loss for your splits, so use every tool available to get your lowest possible split!