So what is a chain catcher? Simply put you need to get a Token Chain Drop Catcher! I’m rather surprised that most bikes don’t come standard with one of these. A chain catcher will prevent the chain from dropping off the small ring and onto the frame. If the chain is about to slide off the small ring, it hits the chain catcher, which pushes the chain back onto the ring. This saves time, keeps your hands clean, lessens frame damage especially if you have a carbon frame, and could very well salvage your chances of winning a race! Very simple to attach to the front derailleur and next to the small chainring. It’s cheap to get and easy to install so their should be no excuse. Buy it!