A simple precision-made kit that provides valuable insurance against front derailleur malfunctions A colour-matched combination of a braze-on adapter clamp & a braze-on double road chain catcher Requires a round area of seat-tube to clamp around Allows the braze-on chain catcher to be mounted on frames without a braze-on mount Designed to work with all double chainring bikes Complete with a titanium mounting bolt Made from 6061 T6 heat treated aluminium Long-lasting protective anodised finish K-Edge products are proudly CNC machined in the USA & have a Lifetime warranty: you break it well replace it