If you want a KS lever to replace and old one this is an option for 2x setup and probably only external The cable with end stopp
"You probably should only buy this as a direct replacement."

Overall rating: 3.5 / 5 from 2 reviews.
Review topics: [].
"You probably should only buy this as a direct replacement."
"Clamp fit the bar fine, easy to install. Lever itself is a little flimsy but it works just fine with a KS Eten Remote dropper post"