Super six evo hi mod clearance issue

tbloke
tbloke Posts: 109
edited June 2017 in Workshop
I currently have a 2015 super six evo hi mod and was looking for some new wheels, something along the line of a set of zipp 202 or 303 but am concerned about the rim width which is 25.4mm. I currently run with dura ace c24 wheels running 23mm tyres, I tried to swap to 25mm tyres but there's not enough frame clearance. I was wondering if anyone runs a 25mm rim with 23mm tyres and knows if it will clear this frame.

Comments

  • svetty
    svetty Posts: 1,904
    tbloke wrote:
    I currently have a 2015 super six evo hi mod and was looking for some new wheels, something along the line of a set of zipp 202 or 303 but am concerned about the rim width which is 25.4mm. I currently run with dura ace c24 wheels running 23mm tyres, I tried to swap to 25mm tyres but there's not enough frame clearance. I was wondering if anyone runs a 25mm rim with 23mm tyres and knows if it will clear this frame.

    Even my old style Evo takes 25mm tyres on wide rims - the newer model is supposed to have wider clearance. I'm surprised you can't run 25mm tyres on C24s (15mm internal width) - which tyres are we taking about??
    FFS! Harden up and grow a pair :D
  • tbloke
    tbloke Posts: 109
    Schwalbe pro one tubeless on tubeless dura ace rims there's just not enough clearance to get 25mm ones in there so I'm on the same tyres in a 23 at the moment
  • Ben6899
    Ben6899 Posts: 9,686
    That is tight clearance! I would have thought even an "old school" road bike would accommodate a C24 and a 25mm tyre. A wider rim and a 25mm tyre will generate less of the 'bulb' effect, but based on what you say I can't imagine I fitting.
    Ben

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  • boombang
    boombang Posts: 38
    tbloke wrote:
    Schwalbe pro one tubeless on tubeless dura ace rims there's just not enough clearance to get 25mm ones in there so I'm on the same tyres in a 23 at the moment

    My '25mm' Schwalbe Pro Ones measure over 27mm on my rims (16mm internal / 21mm external). Tried them previously on 18mm / 23mm rims on my other bike and came to nearly 28mm wide.
  • tbloke
    tbloke Posts: 109
    Do tubs hold shape better than clinchers? Just wondering if a 23mm tub stays 23mm regardless of what size rim it's on?
  • vpnikolov
    vpnikolov Posts: 568
    tbloke wrote:
    Do tubs hold shape better than clinchers? Just wondering if a 23mm tub stays 23mm regardless of what size rim it's on?
    Yes. I am running 404 and vittoria tubs on my supersix 2016. Supposedly the 2016 standard is the 2015 hi mod. I can show pictures of the clearance later, plenty at the moment, but was really struggling with 25c clinchers before, even had some tyre rub on the chainstay.
  • mr_mojo
    mr_mojo Posts: 200
    I have the Firecrest 404 clinchers and use Veloflex 25mm tyres. They don't seem much bigger than 23mm tyres and can fit the wheels on older Colnago's (C40 and C50) where I struggle with 25mm Michelin Pro 4's
  • mikecassie
    mikecassie Posts: 39
    I've a 2014 HiMod and run Conti GP4000 II 25's on Enve 3.4s wheels and no issues. The tyres measure up 26.9mm (just measured to confirm). I'd not get bigger tyres on but there's adequate clearance just now.
  • tbloke
    tbloke Posts: 109
    Thanks everyone. Seems like I'm just going to have to bite the bullet and get some new wheels and see what happens. Worst case is I have to buy a new frame :shock:
  • vpnikolov
    vpnikolov Posts: 568
    https://1drv.ms/f/s!AvGbEoElgqOu4HSpfiSJITAyYaUF

    A bit late, but as promised. Looks tighter on the pictures than it is.
  • tbloke
    tbloke Posts: 109
    vpnikolov wrote:
    https://1drv.ms/f/s!AvGbEoElgqOu4HSpfiSJITAyYaUF

    A bit late, but as promised. Looks tighter on the pictures than it is.

    thank you for that mate very much appreciated, are they tubs? what size are they?
  • vpnikolov
    vpnikolov Posts: 568
    tbloke wrote:
    vpnikolov wrote:
    https://1drv.ms/f/s!AvGbEoElgqOu4HSpfiSJITAyYaUF

    A bit late, but as promised. Looks tighter on the pictures than it is.

    thank you for that mate very much appreciated, are they tubs? what size are they?
    Vittoria Corsa G+ tubs, 25mm. Thankfully they do not stretch over that.

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