SUPER B Crown Race Setting System

Specifically-sized inserts making set the headset crown race on the fork more efficiently.
Select the appropriate insert and place it on the crown race. Work with a hammer, hit on the end cap of the tube for seat the race into its place properly and precisely TB-1938 Includes one setting tube, three 1” inserts, and three 1-1/8” inserts for installing the crown race used on most 1” and 1-1/8” headsets.
For 1”and 1-1/8”