Steerer tube length

Nairnster
Nairnster Posts: 602
edited February 2015 in MTB workshop & tech
I have an on one 45650b frame and need a fork for it.

I have seen one with a 185mm steerer, but not sure if this will be enough.

The frame, headset and stem details as follows

Headtube on frame is 115mm
Headset stack height 30.3mm
Stem stack height 38mm

All that adds up to 183.3mm.

Is it that simple, and will the forks fit?

Comments

  • nicklouse
    nicklouse Posts: 50,675
    Headset stack height seems a lot.

    Bug with the info provided you will need a spacer. But if your bars are not where you want them you will be limited.

    Oh is that your measurements or just some that you looked up on the Internet?

    So much easier just to measure what you have then you know it is right other than hoping you are looking up the right parts and version and size.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
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  • Nairnster
    Nairnster Posts: 602
    External bottom cup on the headset, and yes themeasurements are the ones given for the parts i have.
  • benpinnick
    benpinnick Posts: 4,148
    I should work yes, but you will have room for only 1 5mm spacer, which limits adjustment somewhat.
    A Flock of Birds
    + some other bikes.
  • Nairnster
    Nairnster Posts: 602
    If i could get my head round headset sizes, i might be abke to get a lower stach headset.

    Frame is an on one 45650b.
  • The Rookie
    The Rookie Posts: 27,812
    And are you using a plain or tapered steerer fork?
    Currently riding a Whyte T130C, X0 drivetrain, Magura Trail brakes converted to mixed wheel size (homebuilt wheels) with 140mm Fox 34 Rhythm and RP23 suspension. 12.2Kg.
  • Nairnster
    Nairnster Posts: 602
    It will be tapered
  • The Rookie
    The Rookie Posts: 27,812
    You need a ZS44 EC44 (which bizarrely on-one don't sell - I'd be asking them what they fit to the complete bikes!)
    here is one http://clee-cycles.co.uk/esite/P34603/product made by M-part

    Crank Creek also do one and that is about £70
    Currently riding a Whyte T130C, X0 drivetrain, Magura Trail brakes converted to mixed wheel size (homebuilt wheels) with 140mm Fox 34 Rhythm and RP23 suspension. 12.2Kg.
  • nicklouse
    nicklouse Posts: 50,675
    benpinnick wrote:
    I should work yes, but you will have room for only 1 5mm spacer, which limits adjustment somewhat.
    no he would need a fatter spacer as the top cap does not want to touch the steerer.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • cooldad
    cooldad Posts: 32,599
    183mm plus 5mm = 188mm - 185mm = 3mm gap. So Sounds about right to me.

    Providing all the online specs are right.
    I don't do smileys.

    There is no secret ingredient - Kung Fu Panda

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    Parktools
  • Nairnster
    Nairnster Posts: 602
    The Rookie wrote:
    You need a ZS44 EC44 (which bizarrely on-one don't sell - I'd be asking them what they fit to the complete bikes!)
    here is one http://clee-cycles.co.uk/esite/P34603/product made by M-part

    Crank Creek also do one and that is about £70

    I got the impression that the two versions of the FSA Orbit ITA they sell would fit. Thats also what they quote in the specs for the complete bikes.
    http://www.on-one.co.uk/i/q/HSFOITA/fsa ... ta-headset

    I have credit on my on one account so was hoping to use this for the headset.

    Thank you everyone for the help, i have now ordered a brand new fork, so dont need to worry about the steerer length as much, just a headset that fits.
  • benpinnick
    benpinnick Posts: 4,148
    cooldad wrote:
    183mm plus 5mm = 188mm - 185mm = 3mm gap. So Sounds about right to me.

    Providing all the online specs are right.

    Not with one of those special top caps that need 4mm of clearance. You know, those ones.
    A Flock of Birds
    + some other bikes.

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