replace fork steer tube

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jamesdart

jamesdart

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i have a real nice old 26" chrome wald straight fork i bought a while ago. was supposed to be NOS. i didnt notice until i mocked up my worksman that someone cut it down. its way short for any 26" frame i have. so i need to extend it. i have a fork i can cut one off. this and the fork im looking at cutting from, have a similar size thick wall tube inside that extends up above the crown race, welded at the bottom. anyone know how tight they fit? can i cut down low above the crown race, around the steer tube and pull it off of the inner sleeve? bevel, slip the new one on that sleeve, and weld it?
 
jamesdart said:
i have a real nice old 26" chrome wald straight fork i bought a while ago. was supposed to be NOS. i didnt notice until i mocked up my worksman that someone cut it down. its way short for any 26" frame i have. so i need to extend it. i have a fork i can cut one off. this and the fork im looking at cutting from, have a similar size thick wall tube inside that extends up above the crown race, welded at the bottom. anyone know how tight they fit? can i cut down low above the crown race, around the steer tube and pull it off of the inner sleeve? bevel, slip the new one on that sleeve, and weld it?
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I have done it on a few forks and been happy with it. Will it just be a cruiser or will you be doing high speeds with it? If it is of no use to you as is you may as well try it.
 
I think what James is saying is, the Wald fork has a smaller diameter tube jammed inside the steerer, and he's wondering if he can just cut off the outer (1") steerer and put the new steerer in its place....

I think I'd be tempted to keep the crown race intact, and cut higher up. If my memory serves me right, the Wald forks have an integrated crown race, rather than a press-fit seat for one. In either case, I think if you cut higher up, you can still build it strong but save some hassle.
 
I wouldn't cut low, considering it's a stress point. If you ran into something, there's where it's likely to fail. I'd go center of the head tube. -Adam
 

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