Park Tool TLR-2 High Strength Threadlocker is a good option for securing troublesome threaded assemblies found on a bicycle, such as fasteners with poor fitment or loose tolerances. TLR-2 semi-permanently bonds threads for a secure, long-lasting fit. TLR-2 is oil tolerant and compatible with steel and aluminum threads. F 10 mL (0.34 fl. oz.) bottle Not recommended for titanium threads S NOTICE: When retaining compound or threadlocker is used on carbon fiber surfaces, adhesive primer must first be applied. 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.
