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  1. #1
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    Steerer Tube Height

    OK, this is driving me crazy. I'm trying to figure out dimensions on a new bike I'm looking to get and I want the BOS Deville 27.5 160mm travel fork but I can't seem to find what the stock steerer tube height would be. I don't understand why they don't seem to list this anywhere. Does anyone know what it is?

  2. #2
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    Usually steerer length is "enough" and you shorten it to fit.

  3. #3
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    I saw somewhere that the standard is supposed to be 265mm which would certainly be enough but I also saw some spec'd with only 165mm which would not be enough and some with 185mm which would possibly be enough but I'd have to get a higher rise bar.

  4. #4
    Nouveau Retrogrouch SuperModerator
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    A new fork with an uncut steer tube is long enough for any production frame.
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  5. #5
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    Do you have any idea what mm range it would be?

  6. #6
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    Re: Steerer Tube Height

    Quote Originally Posted by Bristecom View Post
    Do you have any idea what mm range it would be?
    For what? The steer tube length of the new fork? (Way WAY longer that you would ever need.)

    The minimum steer tube length needed for your unknown frame? (Absolutely no clue)

    You can calculate the latter if you know the frame's head tube length, the headset stack height, and clamp height of your stem.
    mtbtires.com
    The trouble with common sense is it is no longer common

  7. #7
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    Yeah, I think I can figure that out myself. I mainly just wasn't sure if the steerer tube would be long enough but it sounds like it will be. Thanks!

  8. #8
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    Just food for thought... I recently seen a used SID WC uppers for sale on ebay with a 165mm steerer. I measured mine which is cut down to maximum on my RC 900 frame and it comes in at around 175 with no spacers and internal headset. To me 165mm is very short and probably wouldn't fit many bikes.

  9. #9
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    Steerer Tube Height

    I just installed a new RS fork and had about 4" to cut off the tube, while still using about 25mm of spacers. So yes, stock forks come way long! Just watch out for an OEM take-off, if it's off a small size frame it could be too small.

  10. #10
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    Yeah, maybe the forks I was looking at were OEM and not retail spec.

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