1.5" fork in 1 1/8" frame? Any way?

hmcgarvie
hmcgarvie Posts: 2
edited May 2017 in MTB workshop & tech
I've got a 2015 Cube Stereo that takes a tapered 1.5" to 1.1/8" steerer. I've accidentally bought a 2014 Fox 34, which is just 1.5" tapered.
It obviously fits the lower bearing, which is 1.5", but not the upper which is 1.1/8".
Can an adapter be bought to make the upper fit?

Comments

  • Uber_Pod
    Uber_Pod Posts: 110
    It can't be 'just 1.5" tapered' - it must either be tapered to something else (ie 1 1/8"), or straight.

    tapered-steerer-tube.jpg

    If your fork is 1.5" all the way up, it's not going to fit.
  • The Rookie
    The Rookie Posts: 27,812
    If it's plain 1.5" and a ZS44 upper bearing (likely) it may be possible to make it fit using an external bearing in the same way as you can fit a tapered steerer into a ZS44 lower.
    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.
  • JBA
    JBA Posts: 2,852
    If it's 1.5" tapered then it is fine. The steerer tapers from 1.5" at the bottom to 11/8" towards the top.
    “Life has been unfaithful
    And it all promised so so much”

    Giant Trance 2 27.5 2016 ¦ Sonder Broken Road 2021¦ Giant Revolt Advanced 2 2019 ¦ Giant Toughtroad SLR 1 2019 ¦ Giant Anthem 3 2015 ¦ Specialized Myka Comp FSR 2009
  • 02gf74
    02gf74 Posts: 1,168
    firstly I was not aware that 1.5 " straight forks exist but looking at pictures of cube stereo 2015, the top part of the head tube looks like it accepts smaller diameter so a straight 1.5" will not fit,
  • larkim
    larkim Posts: 2,474
    This looks like a Fox 34 Talas with a straight 1.5 steerer (26 inch). https://www.pinkbike.com/buysell/2127215/ So they do exist, though I've no idea what frame is made for that or whether there is a top headset that fits the Rookie's description.

    Though "just 1.5 tapered" looks confusing in the OPs description.

    Certainly an unusual component though.
    2015 Canyon Nerve AL 6.0 (son #1's)
    2011 Specialized Hardrock Sport Disc (son #4s)
    2013 Decathlon Triban 3 (red) (mine)
    2019 Hoy Bonaly 26" Disc (son #2s)
    2018 Voodoo Bizango (mine)
    2018 Voodoo Maji (wife's)
  • The Rookie
    The Rookie Posts: 27,812
    Some Cannondale are 1.5" straight as Lefties are 1.5" straight steerer (as were headshock).

    Ignore 02GF74's comment, he's clearly not thought about internal v external headset bearings which I was talking about at the top.
    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.
  • larkim
    larkim Posts: 2,474
    Sadly the OP doesn't seem to be reappearing, so any advice given may be a moot point in the end!
    2015 Canyon Nerve AL 6.0 (son #1's)
    2011 Specialized Hardrock Sport Disc (son #4s)
    2013 Decathlon Triban 3 (red) (mine)
    2019 Hoy Bonaly 26" Disc (son #2s)
    2018 Voodoo Bizango (mine)
    2018 Voodoo Maji (wife's)

Categories