Depends on the fork 
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It would be on a 2012 Cervelo R5 VWD
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Sorry I was mostly joking there!
I’ve never heard of this being done, and even if it could I’d be surprised if it cost less than just buying a new fork. The technology for no cut forks exists, but as far as I know the TriRig Omni fork is the only example of it out there.
LOL Thanks
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I’ve see people use these extenders…though they are not recommended for carbon forks.
For total clarity - no. not at all. no no no.
Thank you got it.
Sorry I was mostly joking there!
I’ve never heard of this being done, and even if it could I’d be surprised if it cost less than just buying a new fork. The technology for no cut forks exists, but as far as I know the TriRig Omni fork is the only example of it out there.
I think cervelo has a no cut fork on the s-series? Basically a modern take on a quill stem. But generally no, once it’s cut, it’s cut. If you need to add height to the bar, then you’re into flipping stems.
For total clarity - no. not at all. no no no.
Yes you can
https://www.velobike.co.nz/product-overview/steerer-tube-extender
For total clarity - no. not at all. no no no.
Yes you can
https://www.velobike.co.nz/...teerer-tube-extender
Even on a track bike that’s ‘brave’. But no way would you want to put that on a bike with the chance of a pothole on a descent with traffic.
For total clarity - no. not at all. no no no.
Yes you can
https://www.velobike.co.nz/...teerer-tube-extender
Even on a track bike that’s ‘brave’. But no way would you want to put that on a bike with the chance of a pothole on a descent with traffic.
You forgot to add “I stand correctedâ€
Track bikes are put through far more stress than your average tri bike.
Torqued and then bonded in with a max of 20mm extra rise I’m sure it will be just fine. I would be happy to use one. The engineering is sound.
We’ll agree to differ, but I’m not standing corrected. Locktite sell superglue that could join a bit of steerer on but that doesn’t mean it’s recommended, safe, wise or going to work.
And I am very very well aware of the stresses on the bars of some track bikes / steerers being more stressed than some road / TT bikes. But equally the long term use of bar mounted hydration and leverage of an aero bar for long periods when you’ve got an extender like that is asking for trouble. As I say, agree to differ on this.
Well I wouldn’t choose superglue for this application.
A good carbon specific 2 part epoxy would be the obvious choice. It wasn’t that long ago that most carbon forks had an Aluminium steerer bonded to the crown and aluminium dropouts bonded to the blades and they worked just fine.
In a modern carbon bike where sitting on your top tube voids the warranty a carbon steerer with a deep bung made from aluminium giving you an extra 20mm of steerer with a stem also clamped on the outside is not going to be the weak point of your f&f.
And front mounted hydration putting strain on your steerer? That’s pretty laughable.
There are specialised companies that can do it, such as this one in the Netherlands:
https://www.unlimitedcolors.nl/default.aspx
https://m.facebook.com/unlimitedcolors.nl/posts/1131452460329953
You get a livetime warranty. I don’t know how they do it exactly though, but it looks like aluminium extension in the fb picture?
It’s a reputable company that also does paintwork for several pro teams, so not some shady business.