The park tool crs 1 crown race setting system offers six inserts with which to install the fork crown race the bearing surface is spared a direct hit by using different inserts to ensure proper fit on the race choose the correct insert then slide the tube over the fork tube and into the top end of the insert using a hammer tap firmly on the end cap of the tube and seat the race into its proper place safely and accurately the crs 1 set includes one universal setting tube three 1 inserts an