Need a replacement fork
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Hi,
I crunched the fork in my Fuji, a 27inch bike. :( Now I need a replacement fork. The diameter of the steer tube is 22.2mm; the length of the steer tube is 298mm. (No typo here!) If the one you have is VALite (Ishiwata), a Reynolds, or a Raleigh, (lightweight alloy) I'll pay extra; of course, I'll pay shipping. A black color is a blessing! :o Please, send an image of your fork. Thanks, in advance. Jim near Baltimore |
Originally Posted by beaverstuff
Hi,
I crunched the fork in my Fuji, a 27inch bike. :( Now I need a replacement fork. The diameter of the steer tube is 22.2mm; the length of the steer tube is 298mm. (No typo here!) If the one you have is VALite (Ishiwata), a Reynolds, or a Raleigh, (lightweight alloy) I'll pay extra; of course, I'll pay shipping. A black color is a blessing! :o Please, send an image of your fork. An image of the bike needing the repladement is viewable via my signature. Thanks, in advance. Jim near Baltimore |
Originally Posted by StokerPoker
I may have a black one from a Fuji.
Problem: what if your brother has built-up the bike? :rolleyes: |
You can get a nice chrome Tange replacement fork with 300mm of steer tube, but it is threadless. (The longest they make threaded is 230mm). I’m wondering if you could get some threads cut into the 300mm threadless fork? I have a black replacement (Reynolds 531) that might fit a 25" frame, but I doubt it is long enough for the freakishly tall unit. But I'll check for you, nontheless.
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Originally Posted by Noah Scape
You can get a nice chrome Tange replacement fork with 300mm of steer tube, but it is threadless. I’m wondering if you could get some threads cut into the 300mm threadless fork?
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Originally Posted by beaverstuff
I could have threads cut; I know a machinist. Q: what is the diameter of the threadless Tange? Most threadless forks are 1" or 1.125". I am considering welding part of my old steer tube onto a shorter replacemnt fork. Any comments out there?
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This ad appeared on Craig's list out here yesterday. If you work out a deal with them I'll go over and throw $35 at them and send you the fork or the whole frame.
http://minneapolis.craigslist.org/bik/255130471.html Bob |
Hope you don't mind me tagging along onto your post, but I could use a pair of chrome forks myself - 700C recessed brake mounting, for 60cm frames (8-3/4" steer tube length minimum, if I recall correctly). No sloping unicrown "Cinelli"-type forks - I would like a lugged top. If it's pantographed Guerciotti, all the better. Need two mint, or one mint, and one can be a bit rusty/pitted.
Take care, -Kurt |
Originally Posted by Little Darwin
You could also move to a 1" threadless by replacing your headset.
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Originally Posted by reverborama
This ad appeared on Craig's list out here yesterday.
http://minneapolis.craigslist.org/bik/255130471.html Bob |
Originally Posted by Little Darwin
Actually almost any steerer tube for a 1" headset is less than 1" I believe the 1" is the head tube size.. I think yours is the most common size, some especially Schwinns and French bikes have different diameters by a mm or two, but almost any threaded fork with a long enough steerer should be fine for you... You could also move to a 1" threadless by replacing your headset.
If the bike needs a 298mm threaded steer tube, a 300mm threadless will not be long enough to accommodate a clamp-on stem in a threadless mode. Remember, this is a 67.5cm frame!!! |
Originally Posted by beaverstuff
Took a look; saw the 59cm qualifier. It's a little small :rolleyes: my frame is 67.5 c-c; you know what that translates into for a fork, eigh, about 296/298mm? Thanks for the help.
Oops, when you said 27 inch frame I was thinking tire size! That IS a big frame. I'll be over at a bike shop that has some Fuji stuff today. I will see what they have. |
Originally Posted by beaverstuff
If the steer tube is 298 - I may get by with 295 - your fork would be a real find.
Problem: what if your brother has built-up the bike? :rolleyes: |
Originally Posted by beaverstuff
I could have threads cut; I know a machinist. Q: what is the diameter of the threadless Tange? Most threadless forks are 1" or 1.125". I am considering welding part of my old steer tube onto a shorter replacemnt fork. Any comments out there?
BTW, that greenie sure didn't look like a Fuji to me. |
The lbs here that caters to the old steel crowd had plenty of forks but nothing with the extreme length you require. The proprieter said he knew at least 5 custom frame builders in town (Mpls) that could make you the fork you wanted and suggest you look for those kind of guys in your area.
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Originally Posted by unworthy1
Bernie Mikkelsen used to do a LOT of this steerer Frankenstein repair....
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Originally Posted by reverborama
at least 5 custom frame builders in town (Mpls) that could make you the fork you wanted . . .
The accident was mine; this burden is mine. (penance for the crunch - self imposed) |
looks like this will probably work, given a competant welder, but if you can get a piece of steel tubing (nothing fancy) for an internal sleeve, I'd highly recommend it. It'll make the welding easier too.
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Originally Posted by unworthy1
if you can get a piece of steel tubing (nothing fancy) for an internal sleeve, I'd highly recommend it.
The dowel is for preliminary alignment. Would have to set the pieces on a V-block and tack it, then, weld the whole seam. |
Originally Posted by unworthy1
BTW, that greenie sure didn't look like a Fuji to me.
It was black, which would save energy and $$$ in the aesthetics effort. Do you recognise the type of fork? |
New welding fixture
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Guys,
I have a different idea about how to secure two pieces of steer tube for welding. Dig the attached foto; just a piece of L-channel (V-channel?) with some simple hose clamps. The welder can lay over 50% of the bead before removal and completing the bead. |
What type of fork are you using as the replacement? Sure looks like a sloping-crown fork from an '80s Raleigh Pro.
-Kurt |
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Originally Posted by cudak888
Sure looks like a sloping-crown fork from an '80s Raleigh Pro. -Kurt
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Originally Posted by beaverstuff
I really don't know; will trust your judgment. There doesn't appear to be an obvious blade-crown separation. The forks must have been fitted very smoothly into the crown & the fillets ground smooth to make it appear as one piece. I googled 'Raleigh Pro" and came up with this 1969 image which looks just like the one I have; good call! :D
-Kurt |
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