This chain catcher is developed for the rigours of modern road cycling. It features a hard-wearing alloy construction, which makes it durable and reliable on every mile of road. Prime has also equipped this model with an anodised finish for additional protection against corrosion when cycling in all-weather conditions. This makes it a strong choice of upgrade for preventing your chain from falling off on a double road crankset and getting stuck between your inner chainring and frame. Perfect for protecting your frame as well as giving you a confidence boost, it weighs in at only 6g for lightweight and dependable performance. Manufacturer's Part Numbers: Black: PRCCB Gold: PRCCG Red: PRCCR