My wife's bike has a fork by RST, Sofi.

Definitely a budget fork, however is working quite well for the occasional use.

I saw that the the seals rings are quite damaged, and I was looking to substitute them.

I cannot find any manual online, and furthermore there isn't the classic screw on the bottom...

How do you open such low-cost forks and service them? enter image description here enter image description here

  • bicycles.stackexchange.com/questions/43232/… and bicycles.stackexchange.com/questions/57934/… are relevant pre-existing questions. One has instructions, the other has an assembly diagram that should help.
    – Criggie
    May 16, 2021 at 0:03
  • Thanks for the reply, however the issue here is: I do not have the "4mm hex bolt on the bottom of the slider leg". So I was wondering, before to open the fork, is someone had experience on that case.. Maybe directly from top accessible...
    – Profeta64
    May 17, 2021 at 9:03
  • @profetea64 hmm - maybe, it could be this fork is designed to be unserviceable ? That's a guess Could you post some clear and well-lit photos of your fork? That might help jog someones memories. Use edit to update the question.
    – Criggie
    May 17, 2021 at 9:21
  • Could be that it is unserviceable... But I do not find any details about that... However it is funny, because officially exists available the rst sealing ring as spare parts..
    – Profeta64
    May 20, 2021 at 10:23


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