This headset tensioner is for a 1" fork. Allows you to place a load on your threadless headset, when a star nut application will not work. This works great for "Stiffy" type steering applications. Basically, if a pivot type mechanism is not used to clamp and hold the fork steerer, this tensioner…
Ritchey Logic 1" threaded headset. Ball bearings in a race for both top and bottom. 26.4 crown race provided.
Power On Cycling
the source for Recumbents, Trikes, Bicycle Parts and Accessories