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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 04-17-08, 01:16 AM   #1
RaeFixie
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my nut cracked!

so i found my rear formula locknut(the inside one) cracked when i was cleaning up my bike
but the worst thing is that the thread also messed up, i tried to put in a locknut through the thread and it won't go through...

so do you think i can fix this? or i need to buy the new thread? if so how much would all this cost and where can i get them?

thank you

and here is pictures

the locknut that i was talking about


and the thread that got messed up
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Old 04-17-08, 01:20 AM   #2
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have you actually ridden this thing yet?
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Old 04-17-08, 01:23 AM   #3
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have you actually ridden this thing yet?
yes i have, plenty
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Old 04-17-08, 01:25 AM   #4
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A shop might be able to fix the thread with a die...if not the whole axle will need to be replaced.
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Old 04-17-08, 01:29 AM   #5
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where can i get the axle? do you think lbs would sell it or at least i will be able to order it?

edit:

http://www.jensonusa.com/store/produ...ring+Axle.aspx

actually, would this work? is this the same axle as the one that formula has? if so do you know what size is it?

thank you

Last edited by RaeFixie; 04-17-08 at 01:36 AM.
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Old 04-17-08, 01:38 AM   #6
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oh i think i got it!
is it this one?

http://harriscyclery.net/itemdetails.cfm?ID=2496
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Old 04-17-08, 02:13 AM   #7
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typical nub mistake for a typical nub.
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Old 04-17-08, 06:20 AM   #8
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typical nub mistake for a typical nub.
happens to the unexperienced and experienced alike. lots of threads on this.

Busted Axle Locknut
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Old 04-17-08, 06:25 AM   #9
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Hey, this just happened to me, too! 'Cept I didn't mess up the axle. Here I thought I was the only nutcracker.
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Old 04-17-08, 06:27 AM   #10
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Yeah, this is a common problem with Formula nuts. I don't think you'll have any problem with the threading on the axle if you just stick a new nut on there. You won't need to cut new threads or anything.
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Old 04-17-08, 06:29 AM   #11
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Remember, the aim is to get it tight enough to not slip and no more. Unfortunately, the only way to usually learn this lesson is to ruin some bike parts. Be thankful, a track nut is pretty cheap.
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Old 04-17-08, 06:53 AM   #12
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These are the types of things I pick off trashed wheels I see on the street or where ever. Yeah, I'm trash picker, what I can say.
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Old 04-17-08, 07:10 AM   #13
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heh, that's funny i had the same problem. Literally identical except my nut just cracked in half not into 4. The threads did get a little chewed, but the guy at the shop said he forced it on, and it would actually hold it a tiny bit better and not do any damage. Just go to the LBS and get a new nut. problem solved.
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Old 04-17-08, 07:11 AM   #14
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I did this as well, but no damage to the threads here.
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Old 04-17-08, 07:32 AM   #15
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Quote:
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Remember, the aim is to get it tight enough to not slip and no more. Unfortunately, the only way to usually learn this lesson is to ruin some bike parts. Be thankful, a track nut is pretty cheap.
+1. When I started at the shop, I cracked more nuts and ripped more heads off bolts of bikes I was assembling than I'd ever care to admit. I guess I can say at least it wasn't my stuff
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Old 04-17-08, 08:23 AM   #16
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Quote:
Originally Posted by RaeFixie View Post
oh i think i got it!
is it this one?

http://harriscyclery.net/itemdetails.cfm?ID=2496
That's the right one, and it's also long enough to allow for spacers for a 126/130 rear end.
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Old 04-17-08, 08:32 AM   #17
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i used to over-tighten my nuts until the same thing happened to me. it was on a formula hub, too. i don't wrench on them so hard anymore.
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Old 04-17-08, 09:09 AM   #18
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thank you people
sorry for the trouble
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Old 04-17-08, 09:13 AM   #19
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damn I just did this yesterday on my spare wheel and was wondering what the hell happened. the weird thing is it actually cracked when i was wrenching the wheel on. I hadnt adjusted the nut in weeks.
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Old 04-17-08, 09:24 PM   #20
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http://www.jensonusa.com/store/produ...+10Mm+X+1.aspx
does anyone know if this surly locknut would work for rear formula hub?
it looks the same to me
i went to my lbs today and they force the axle/thread and it works! however the locknut are not available so i have to buy it online, that is why i am asking this question right now

thank you,
Rae
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Old 04-17-08, 10:00 PM   #21
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yeah the surlys work. your lbs should be able to get them for you.
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Old 04-17-08, 10:09 PM   #22
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This happened to me when I was 5 miles out of town on highway 1.

It was a bummer, man.
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Old 04-18-08, 04:43 PM   #23
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I busted the same thing on my formula wheelset. But not as bad ad you. I just glued it and locked the wheels down tight. Hasnt moved since.

If I were you Id take it to a shop and ask for a replacement part. If youre lucky they may even have one laying around and give it to you.
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Old 04-18-08, 05:07 PM   #24
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you shouldn't bust a nut on your bike.

i'm sure you'll get it cleaned up, though.
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Old 04-18-08, 05:49 PM   #25
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yeah thats not a nut to begin with, just a washer.
I would give $50 to the first person that actually broke a nut, not the lock washer.

Find out what thread it is, and you could just take a die to the axle, but in reality you should just buy a new axle, because the grain of the thread on the axle is now hosed, and no longer has it's structural integrity.
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