Litepro has a new edition of the mount for K Series, with a stronger finger, but that finger is pretty much free to rotate in the azimuth - no clue here why they mass manufacture flawed designs
Thanks much.
From a picture, is there a way to tell what K clamp it is (generation 1/2)?
So you used a B clamp + Shimano 105 for a double,and a B + Suntour for a triple?
Indeed, the K clamp I've been using for years with a Shimano Tiagra derailleur is slightly bent outwards, but it's working fine. At worst, you can slide a ziptie through the window:
