K Edge Cross Single 34.9Mm Chain Catcher

K Edge Cross Single 34.9mm Chain Catcher. Single ring cyclocross setups may be lightweight and efficient, but you run the risk of the chain jumping up and off the chainring when the going gets rough. When it does, you not only lose precious seconds, but also risk damaging your frame. This simple and affordable little chain catcher from K Edge ensures that a meandering chain never chews up your cyclocross frame or messes up your momentum.