Threadlockers lock threaded assemblies and keeps them from looseningMedium Strength Threadlocker (Competes with Loctite® 242/243)Compatible with steel, aluminium and carbon fibreOil tolerantNot recommended for titanium fastenersNotice: Park Tool AP-1 Adhesive Primer must be used to prep all components, fasteners and carbon fibre surfaces prior to application of Park Tool threadlockers or retaining compound. Failure to do so could result in permanently bonded parts10 ml bottle