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Park Tool TLR-1 Medium Strength Bicycle Threadlocker

Park Tool TLR-1 Medium Strength Bicycle Threadlocker

$45.95 USD
$61.99 USD $45.95 USD
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  • Locks threaded assemblies and fasteners and keeps them from loosening
  • Compatible with steel, aluminum and carbon fiber (not recommended for titanium)
  • Oil tolerant

Park Tool TLR-1 applied to disc brake rotor bolt

Park Tool TLR-1 Medium Strength Threadlocker

Park Tool TLR-1 Medium Strength Threadlocker 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 (not recommended for titanium threads). Competes with Loctite 242/243.

It is recommended to first prepare threaded surfaces with Park Tool AP-1 Adhesive Primer, which accelerates curing and eases future removal.

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.

Park Tool offers a full line of products for thread preparation, including our line of threadlockers and retaining compounds:

TLR-1 Medium Strength Threadlocker
TLR-2 High Strength Threadlocker RC-1 Press Fit Retaining Compound AP-1 Adhesive Primer
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Price — no data $19.95 $21.95 $31.95
Recommended application Many threaded applications found on a bicycle Permanent solution for threaded applications with sloppy tolerances or poor fitment Non-threaded parts like press-fit bottom bracket parts, sealed bearings etc. In conjunction with any application of TLR-1, TLR-2, or RC-1. Mandatory for carbon fiber applications.
Competes with Loctite # 242/243 262/263 680 7649
Park Tool bike shop repair center vintage

TRUSTED SINCE 1963

Since our origins in the back of a bike shop in 1963, it has been our sole mission to design and manufacture high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. As with our other 500+ tools, our threadlockers are a product of our decades of experience and expertise in the industry, in the shop and on the trail.

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