Does anyone know of a chain guide that mounts to a braze-on for front derailleur? I run a Wolf Tooth chain ring with Ultegra mid-cage derailleur and I used an E13 clamp on chain guide with my old bike. Unfortunately my new bike is carbon so the seat tube will not fit a clamp mount. Can't seem to find anything that mounts to the braze-on besides a the K-Edge style, but I'd much rather have the guide than a keeper. Any and all help is appreciated!