Headlock type systems are great for replacing the star nut system in threadless headsets.Not only do they never slip, but they also add some extra security in case of a steerer failure. We developed a simple solution to the headache of solving which length Headlock system to buy by including 3 different length Cr-Mo bolts, so you can just fit the one you need!Supplied as a set with Alloy Top cap and bottom nut to fit 1 1/8".FeaturesLaser-etched Alloy top cap.Light Alloy bottom nut.3 lengths of chromo bolts. Short rod 210mm â Fits steerer length of 189-220mmMedium rod 235mm â Fits steerer length of 215-246mmLong rod 275mm â Fits steerer length of 265-296mm