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Cogito Ergo Sum
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Straightening a steel bike fork?
I've been lightly browsing vintage frames to pick up for a town bike project. This old AD popped up and has my interest, but the listing says it has a slight bend in the fork. Is that something that is repairable?
What do you guys think this frame is worth? _ Vintage AUSTRO-DAIMLER SE Frameset ___ |
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Registered
Join Date: Jan 2006
Location: Fullerton,Ca
Posts: 5,463
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es, no yes.
imagine a paper clip once it's bent it is never the same. if its just a townie, a shop thats been in biz 25 year might have the tool.
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" Formerly we suffered from crime. Today we suffer from laws" (55-120) Tacitus |
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Cogito Ergo Sum
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Kinda what I figured.....
Whats the chance of finding a replacement fork and cost? |
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abides.
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Quote:
That said, I wouldn't bother with that frame.
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Graham 1984 Carrera Targa |
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MAGA
Join Date: May 2004
Posts: 10,762
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I would straighten that "slight bend" in the fork in about 5 minutes and never think of it again.
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German autos: '79 911 SC, '87 951, '03 330i, '08 Cayenne, '13 Cayenne 0% Liberal Men do not quit playing because they get old.... They get old because they quit playing. |
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Registered
Join Date: Mar 2004
Location: Los Angeles
Posts: 17,315
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Depending how bad the fork is bend? Have a look at the top and down tube a few inched right behind the head tube to see if they are damaged. A head on can really whack things out of alignment. Sure it can straighten, but at how much?
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Join Date: Jan 2007
Posts: 11,758
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,072
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its kinked ! anything can be fixed..but.....it will have to be heated...fillled with sand...pounded and shaped to expand it again....the bend part is EZ
IF it was not kinked.....PC of cake
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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Cogito Ergo Sum
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Registered
Join Date: Jan 2006
Location: Fullerton,Ca
Posts: 5,463
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How tall are you? If you're 6'2" or so it might fit.
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" Formerly we suffered from crime. Today we suffer from laws" (55-120) Tacitus |
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Cogito Ergo Sum
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I'm 6ft even...
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Registered
Join Date: Dec 1969
Location: chula vista ca usa
Posts: 5,694
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I used to have a fork tool that was used to restore forks when they got bent back from a crash which used to happen many times in the days of steel frame bikes. The front forks on English and Italian bikes were always bent when the steel was cold and then stress relieved. Not sure about the French bikes as the only one I had was the first year they made the alloy/glued together frames and the front fork on that one was aluminum and could not be straightened.
A shop that works on vintage bikes should be able to help you out. |
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Registered
Join Date: Apr 2002
Location: NoCal
Posts: 2,416
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I'm about 5'11" and I'm comfortable on a 56-57cm road frame. My boss is maybe a tad over 6'0" and he prefers a 58cm frame. FWIW, two guys that I work with are both around 6'4" and they ride 62's. (Why do I know so much about my coworkers frame sizes? I work in the bike industry, and we all ride to work
![]() Long story shorter: That frame is way too big for you, especially for a townie. I wouldn't have too much concern over a "slightly" bent steel fork. Steel can be cold worked in small increments with relative ease. Now, be honest with us: You're looking to build a fixie outa that thing, right ![]() edit: figures that my 911th post would have to be in a bike thread ![]() Last edited by jim72911t; 09-29-2011 at 07:55 PM.. |
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Quote:
Also, thought the frame was a bit big for you based on your other bike threads. |
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cycling has-been
Join Date: Sep 2004
Location: Jersey Shore
Posts: 7,237
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any good bike shop that caters to racers will have a decent jig in the back.
recommend you bring the whole frame in and have it checked and aligned. if the fork is showing a bend, chances are that the frame got tweaked elsewhere. Bill K
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73 911T MFI, 76 912E, 77 Turbo Carrera Last edited by bkreigsr; 09-30-2011 at 10:56 AM.. |
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Max Sluiter
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I don't see the kink or the bend. I would say it can be repaired.
Guess you got the 1 star for your avatar?
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1971 911S, 2.7RS spec MFI engine, suspension mods, lightened Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance |
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that frame is huge..you are gonna mash your nuts.
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poof! gone |
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I've straightened fork tubes and riden the bike for years after. The bend needs to be pretty slight though.
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2014 Cayman S (track rat w/GT4 suspension) 1979 930 (475 rwhp at 0.95 bar) |
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