Park Tool TLR-1 is great for any threaded assembly found on a bicycle including threaded bottom bracket cups disc brake rotor bolts stem bolts and more. Adds security and longevity to any threaded application while still allowing for future removal. TLR-1 is oil tolerant and compatible with steel and aluminum threads.10 ml (0.34 fl oz) bottleCompetes with Loctite 242/243Not recommended for titanium threadsNOTICE: When retaining compound or threadlocker is used on carbon fiber frames or components adhesive primer such as Park Tool AP-1 must first be applied to all component fastener and frame surfaces. Failure to do so could result in permanently bonded parts.CAUTION: Some painted surfaces can be sensitive to threadlockers retaining compounds and primers. Test first on an inconspicuous area to see if it causes a stain or discoloration. Clean off any excess from painted surfaces immediately.