this style fork gator clamp is correct for all pre-1955 BMW plunger frame bikes these are the rachet style that have been unavalable for many years, I am the only person who has these for sale- these are exactly like the originals and are perfect in every way, this is a must for all plunger restorations, correct for BMW models-R51, R51/2, R51/3, R67, R67/2, R67/3, R68