Designed for use in conjunction with an SRM powermeterChaincatcher with integrated magnetA simple precision-made component that provides valuable insurance against front derailleur malfunctionsPro model is easier to fit and allows for independent adjustment of the front mech and chain catcherUsed to good effect by top professional riders in the Olympic games, World Championships, Tour de France, Giro d'Italia, Paris Roubaix, and many moreIt acts as 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 gearHighly recommended to prevent structural damage to carbon and aluminium frames, but also protects the finish of any other frame materialComplete with all mounting hardware and fits onto braze-on frame mountsCompatible with double chainring Shimano, Campagnolo, and SRAM derailleursMade from 6061-T6 heat treated aluminiumLong-lasting protective anodised finishAdds only 15 grams of weightK-Edge products are proudly CNC machined in the USA and have a Lifetime warranty: you break it, we will replace it