From cleaning and lubing a chain, to far more robust mechanical undertakings, where is the line for what you can handle yourself, and what should you turn over to a pro? In this episode, the HSLS crew discusses mechanical mistakes they have all made, and the points at which they throw up their hands and take it to the shop. Check out more from RevZilla: Common Tread: News, opinions, and written reviews RevZillaTV: Bike reviews, How-To's, and product videos