Stripped hub - feck!

Definitely get a good lockring.

I have bent two lockrings in hub-stripping incidents and recently (to avoid my girlfriend suffering the same fate) tightened up the lockring on her bike. Which broke open, at the notch, while I was tightening it.

You can get away with Formula / System Ex / generic hubs if you have a decent lockring and install it with plenty of grease / elbow grease.

I'd agree with the first two bits, but brie? What's wrong with lithium grease? Isn't there a risk of the brie melting on hot days and your cog seizing?

Plus my grease only costs £2.50 a tube from LBS, bet your brie was more than that.

I like my Condor lockring, mine's black though. Very good for a fiver.

Buy a chain whip and lockring spanner. Also purchase King Island triple cream brie. It is very nice.

I would suggest that the cost of a DA lockring is somewhat excessive for just rolling around on.

DA lockrings are a fiver in BLB

eh??? A fiver?

I've been stooged. Hate that.

DA lockrings rule... Don't leave home without one...

they as cheap as the own BLB, but double as good

dura-foocking-ace

Thought I'd report back on this one as it's always good to give a shop credit when they get things sorted. Charge / Hotwheels have been piddling about on sending out the replacement hub so Evans have done the decent thing and given me a SystemEx fixed/fixed and wheel build for free. I shouted for the price of an OpenPro as otherwise I'd have had to give them back my old wheel so they could recycle the rim. Just picked up the wheel this aft. and whilst it's never going to compete with the bling out there it's a nice wheel for £35 :-)

Props to Rich and Ted at Evans Deansgate for spamming me up with a nice wheel and having the decency to say sorry for the delays. Time to order the new cogs and lock rings...

i agree that generally evans are good, the staff are anyway.

I know this an old post, but its great to have website where people have been through it all before......

it was all going according to plan, got a 17t miche cog from condor and a chainwhip/lock ring tool, swapped the cog put on the lockring. rode it round a bit then tried to tighten the lock ring a little more just to be safe in case the cog had tightened more from pedaling... MISTAKE! the lock ring lost resistance and now just keeps turning. so i've stripped the thread right? unrideable? gonna need to buy new hub, so any suggestions?

I've done the same thing as this to my fixed gear - changed to a different cog, and it hasn't been the same since. The lock ring thread is stripped. Tried tightening (many times), and have also tried with loctite, but everytime its tightened, i go riding, do a few skids, and the cog starts unwinding. think its totally "screwed"...

Anyway - anyone think of any options other than replacing the hub (complete rebuilld) or a complete new wheel?

how about welding it on?

hubs are aluminum most cogs are steel so welding is no good. Just get a new hub. If you keep the spokes grouped they are fine to reuse are you are replacing the hub like for like. If you don't build wheels I'll rebuild for you, Good rates, love you long time! :)

Nice one, thanks Tommy, will think about it.

The wheel is still in one piece, but happy to reuse spokes and rim. Never built a wheel before, but see it as a challenge. Is it difficult?

I haven't bought a replacement hub yet either, haven't even looked - any suggestions for a quality buy?

What are your rebuild rates?

Do you know what hub you have at the moment? Replace with the same if if you know.

not sure exactly.... was just basic range from local bike shop. The decals on the rim say Exal aero XR3. 32 spoke. Think they're a bit like the halo aerorage rims. Probably fairly standard, and only bought them a few months ago, so they're not old.

How much of this malarkey is due to bad luck/shoddy manufacturing, and how much is improper installation?

not sure exactly.... was just basic range from local bike shop. The decals on the rim say Exal aero XR3. 32 spoke. Think they're a bit like the halo aerorage rims. Probably fairly standard, and only bought them a few months ago, so they're not old.

I expect it's a system X, ambrosio, e.t.c style hub, so fairly easy to find a replacement. Send me a pm if your interested.

How much of this malarkey is due to bad luck/shoddy manufacturing, and how much is improper installation?

Most of the time it's poor cog instillation, but of course like any product there are failures to.

Maybe look in to a bolt on conversion? never tried them but fancy building one up in the future:

http://www.lfgss.com/thread8923.html

thanks for your comments/help. i'm fairly new to fixies, so may have caused the problems when I first set up the wheel - but i thought i did a reasonable job, so how much was me, and how much was the manufacturing... not sure. probably mostly me. you live, you learn, i guess.

will pm you Tommy if i want a rebuild - i'm keen to get back on the bike though, so will probably just get a new wheel, then either use the old one as a learning tool, or pass it off as a freewheel (has flipflop hub).

Right with multiple threads on the stripping of threads this one seemed most appropriate. Now ive stripped my hub, which im peeved at but isn't much of a biggie as theyre cheap and replaceable and for now i can just flip it over, but the problem isn't with my hub.

After stripping one side of the hub i tried to install the same sprocket onto the other side but nearly every groove of the thread on my sprocket was filled with the softer metal from the hub and is being a complete bitch to get out. Now i've tried a number of methods to removed the lodged in metal from scraping it out with a knife/needle (multiple stabs at the finger tips as punishment for even thinking that could work) to heating it up and trying to knock it out, so now the last bits of thread are still there and refusing to budge. I've also tried heating it up and installing it on an old wheel (mangled that hub too) to see if the thread would just clean themselves out.
Now an easy solution to this would be to buy a new sprocket but absolute lack of any amount of money in my possession is stopping me from doing so.
Any suggestions?

Bugger.
So I think your best bet is still to get a new sprocket, and probably lock ring too.
My concern would be that even if you do get the old one on, if the grooves are damaged, they may not be deep/strong enough to hold it all on the new side of the hub, so you run the risk damaging that side too.
Sprockets and lock rings are much cheaper and easier to replace than a whole new hub!
That's what I ended up doing for my initial problem, but as it was a flipflop hub I had to get a whole new hub (got wheel actually).

I still have the old sprocket and lockring, if you want it to try on yours let me know. I'm in west London (shepherds bush area) if you want to collect

try a wire brush

J, my concern is more about cleaning out the grooves on the sprocket since they're just full of bit of metal, the parts are all fine and the grooves are as deep/strong as they should be from my hour long inspection. Its an on-one hub so its no biggy to replace.

A wire brush may do it, ill try n find some.

ok, if your confident the threads on the sprocket are good, then the wire brush should work - i can't think of any other suggestions...

good luck - it'd be good to know how you go, so let us know.

a small electrical screwdriver. nice and pointy.