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Park Tool TNS-15 Threadless Nut Setter

Park Tool TNS-15 Threadless Nut SetterPark Tool TNS-15 Threadless Nut Setter
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The TNS-15 Threadless Nut Setter is used to install the star-fangled nut found on 1 1/4 and 1.5 inch threadless headset systems. Thread the nut onto the TNS, insert into the fork stack, and tap it in with a hammer. Sets the star fangled nut to 15mm and keeps it straight. Long handle helps prevent pinched fingers. Weight: 2 lbs (907 g) Starnuts not included.

Note: The 1 1/4 and 1.5" headset sizes are less common and typically only used on certain Downhill bikes. For standard 1 1/8" or 1" headsets use the TNS-1 or TNS-4.

Q & A with home mechanic Tommy Tuite.

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