K edge road braze on double chain catcher
A simple precision made component that provides valuable insurance against front derailleur malfunctions used to good effect by top professional riders in the olympic games world championships tour de france giro d39italia paris roubaix and many more it acts a ramp to guide your chain and virtually eliminates the possibility of your chain dropping off the small chainring onto the bottom bracket helping to protect your frame and keep you in gear highly recommended to prevent structura