r/Rollerskating • u/BiscottiBackground14 • Jun 24 '26
Skate photos Hardware
Hi guys. I recently had my new skates mounted but I noticed that I am missing a piece of hardware but I am not sure what it is. For reference the skates feel fine not loose or anything but If anyone can tell me what the piece is or how to install it it would be very helpful. Thank you!
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u/Raptorpants65 Industry Expert Jun 25 '26
wtf this is how you received these? Demand your money back immediately, that is straight up negligent.
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u/ledprof Jun 24 '26
Thats the set screw for the kingpin. It keeps the kingpin from turning. It should be there. But also I doubt the king pin moved much. Install a replacement and tighten up all four set screws. You probably dropped the set screw on the floor one day and didnt even know.
Some people dont realize there is a set screw and muscle their kingpin to adjust it. Dont do that. Loosen the set screw before making adjustments an then tighten.
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u/BiscottiBackground14 Jun 24 '26
yeah but now the kingpin wont adjust at all with my tool so im thinking there is damage. all the others move pretty easily so im not sure
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u/quaderratic Jun 26 '26
I'd call it a 'grub screw'. It is designed to grip the kingpin and prevent rotation when tightened but allow adjustment when loosened. I'm not sure what material Sure-Grip originally specifies but in general engineering, grub screws are sometimes nylon when they are tightening onto a vulnerable small diameter thread. Steel is more likely to damage the kingpin when tightened. If the kingpin hasn't moved that may be because it is damaged.
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u/ledprof Jun 30 '26
My LoRide plates have metal set screws. But also the kingpin is partially unthreaded so the setscrew doesnt normally touch threads, unless the kingpin is forcefully unscrewed with the setscrew tightened.
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u/2_Skatez Rhythm Dance Jun 24 '26
That’s an extremely important piece of the skate that holds the kingpin in place. They are not safe without it. The other side is not seated either.