The preload screw on my mtb fork is very loose and easy to turn, I have a spring fork. The preload doesn't change even if I loosen or tighten the screw. Any ideas on what could be wrong?

  • 1
    What bike/what fork? Perhaps the adjuster is just cosmetic and doesn't actually change anything inside.
    – MaplePanda
    Commented Oct 20, 2022 at 13:59
  • 1
    It's an sr suntour fork. The adjuster used to work perfectly before, but i found it to be unusually loose while doing regular maintenance today.
    – Shriyan
    Commented Oct 20, 2022 at 16:22
  • 1
    It could be broken
    – Swifty
    Commented Oct 20, 2022 at 22:07

1 Answer 1


It's hard to say without pictures.

Things to check:

  • The spring is broken
  • The threads on the preload screw are stripped.

If you take it apart chances are high the issue will present itself.

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