K Edge Braze On Adapter Kit, Clamp, Chain Guide, Ti Hardware, Gold, 31.8 mm Shorts The only computer mount with The only computer mount with left right adjustment for that perfect position Eleven ventilation ports provide optimal airflow for added comfort Compatible with Shimano A simple precision made kit that provides valuable insurance against front derailleur malfunctions A colour matched combination of a braze on adapter clamp and 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 and have a Lifetime warranty: you break it