Park tool supergrip carbonalloy assembly compoundthe supergrip carbon assembly compound helps create a tighter grip between two slippery surfaces this means you dont have to apply as much torque to the bolts to get a non slip fitment this greatly reduces your risk of damaging parts by over tightening can be used on carbon aluminium and steel features 4 oz 113 g tube easy applicator spout ideal for carbon aluminium and steel seatposts handlebars and stemsnoteall assembly compound