I bought a brand new Oolter Torm S

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The distance between the front wheel and the frame looks normal. However the bike that I got looks like this:

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I did buy a bike that is slightly too small (framesize 52, I need 56) but I didn't expect the front wheel rubbing the downtube when applying the brakes.

  • 5
    Why did you buy a 52 if you know you need a 56?
    – MaplePanda
    Feb 15, 2023 at 19:29
  • @MaplePanda There was no 56 lol. Now there is nothing. These Oolter bikes are very rare. I was looking for a cheap road bike with a motor. There's one for 1800chf on bikester now, the 2nd cheapest is already at 3800. This oolter came in at 1200.
    – AzulShiva
    Feb 15, 2023 at 21:35
  • 5
    Fair enough. With all due respect, you might want a professional to check over the bike for other assembly errors.
    – MaplePanda
    Feb 15, 2023 at 22:06
  • 8
    If it came assembled like that from a "professional" as per your comment below. I would 100% be send that pic to the professional and/or his employer. Someone needs some training.
    – Hursey
    Feb 16, 2023 at 0:54
  • 3
    @Hursey OP was the professional I believe ;)
    – MaplePanda
    Feb 16, 2023 at 16:11

1 Answer 1


Your fork is installed backwards. Loosen the stem, rotate the fork 180°, retighten the stem. You'll probably need to adjust the front brake's cable too.

Some details that show the fork is installed backwards:

  • the trail of the front wheel is negative - wheel trail should always be positive
  • the front disc brake should be on the left side of the bike
  • the disc caliper is never on the leading edge of the fork

And finally there's a clue in the decoration - the diagonal stripes go the opposite way from the ones in the example :-). Thanks to shoover for the details.

  • 12
    oh dear... the instruction manual said to let a "professional" assemble the bike. I scoffed... and nearly flew over the handlebars. Such a humbling experience.
    – AzulShiva
    Feb 15, 2023 at 18:06
  • 8
    You can tell because (a) the trail is negative and (b) the diagonal stripes go the opposite way from the ones in the example.
    – shoover
    Feb 15, 2023 at 20:09
  • 7
    Also, both disc brakes should be on the same side of the bike. And the disc caliper is never on the leading edge of the fork.
    – Adam Rice
    Feb 15, 2023 at 20:25
  • 2
    The trail, as defined in the Wikipedia article that is linked, is not negative, it is even more positive than it should be. Maybe you meant the fork offset or the mechanical trail.
    – mkrieger1
    Feb 16, 2023 at 14:09
  • 10
    No offence, @AzulShiva, but if you've made a mistake like this, I'd stop by your LFBS (local friendly bike shop) to have them check the bike and see if you've made any other mistakes. There could be more subtle ones, such as under or overtightening something.
    – SQB
    Feb 16, 2023 at 14:27

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