There are two kinds of people: people who love the Xtracycle and people who haven't ridden one. What starts out as a pretty cool ride becomes the most useful cycle you've ever ridden. And TerraCycle wants to help you take that experience to the next level by taming that chainline. Our idler kits completely do away with chain rub and increase efficiency. Xtracycle wants you to "do more with your bike" and we're here to help!