Specifically-sized inserts make installing the headset crown race on the fork more efficiently.
1.1/8" set 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.
1.5" set includes one setting tube, one 1.25" insert and one 1.5" inserts for installing the crown race used on most oversize and taper headsets.
1.Select the appropriate insert and place it on the crown race.
2.Use a hammer and tap the end cap on the tube to seat the race into its proper place.
Weight: 1100gSize: 405*38mm