So we already know that your clean chain is saving you valuable watts. But there’s more to it than that.

Wheel out a grimy bike from the shed, pull on the same arm warmers that still have a bit of a snot-stain from your last ride, and swing your leg over the top tube, and you’ll feel ok.

5 Things That Could Be Slowing Your Bike Down

Wheel out a bike with a chain and cassette so shiny you’d eat your dinner off the cogs, and it’s a whole other feeling. A clean bike looks like a new bike, and that’s half the benefit of a new bike in one.