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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 01-20-05, 10:16 AM   #1
zoeglassjd
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Actual Experience re: slipping cogs

hey guys-
i have read all of the threads on the loctite method of fixing an old rear wheel (with or without lockring)- it seems that some have a story of my buddy was running that system and his cog slipped, and he was hit by a bus, and his wife left him...

so, my question- what are your experiences. who has actually had a cog slip using loctite? how often does this happen (skidding or no skidding).

I want personal stories- I want carnage...
let me know.
perhaps a poll will follow on this question.
zgjd
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Old 01-20-05, 10:50 AM   #2
jinx_removing
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Originally Posted by zoeglassjd
hey guys-
my buddy was running that system and his cog slipped, and he was hit by a bus, and his wife left him...

I want personal stories- I want carnage...
let me know.

Jerry Springer - Fixed Gear Edition. Sweet.
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Old 01-20-05, 10:59 AM   #3
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i don't have a carnage story for you, but i had that setup on my commuter for a while witha front brake, well, i used a lighter formula of locktite due to availability and started slowing down as i approached a three-way intersection, the lockring and cog decided to unscrew, the cog wedged itself inbetween the hub and frame, the chain locked up, i got a nice scratch on my crank from the chain jumping and my rear tire locked up. luckily i was going pretty slow and the roads were wet and semi-iced.
so i just slid on my rear tire for a few feet.
got it fixed up again and went on my way,
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Old 01-20-05, 11:59 AM   #4
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Been riding with just a screw on cog with no loctite and no lockring, waiting for enough money for a new wheelset. I haven't died yet. To be honest my cog hasn't even unscrewed in the slightest. I skip and skid, as well as back pressure. Now I also have a front brake that I use quite regularly. To any effect, here's my anecdotal evidence for you.
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Old 01-21-05, 06:39 PM   #5
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hmm, i guess i will go buy some loctite tonight...
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Old 01-21-05, 10:22 PM   #6
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Happened to me twice; once at the bottom of a big hill at high speed, which was a bit exciting -- cog unscrewed as I was trying to slow down before some traffic lights, chain came off, back wheel locked up and I skidded to a stop cursing a lot. Second time was just because I was trying to slow down a bit too hard. No damage to me/bike either time, but it left me very wary indeed.

This was using blue loctite and no lockring -- I'm really not a heavy rider, so I reckon that version just isn't strong enough. Red loctite is much better, no problems with that except that you need to use a blowlamp to melt it if you ever need to take the cog off to fix broken spokes or whatever.

-- dan
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Old 01-22-05, 09:20 AM   #7
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i guess "having to use a blowlamp to melt it" is a good sign...
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Old 01-22-05, 09:39 AM   #8
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Quote:
Originally Posted by zoeglassjd
i guess "having to use a blowlamp to melt it" is a good sign...

Not if you have to replace spokes.
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Old 01-22-05, 09:40 AM   #9
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yeah, good point- I'm not even sure what a blowlamp is (dirty?!?)-
i'm assuming just a torch...
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Old 01-22-05, 04:52 PM   #10
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Red locktite melts at 'xx' temperature which can be obtained with either a propane torch or a heat gun. A hair dryer will not quite do it. Beware that grease smokes at that temperature, so do it outside. Red locktite is strong to something like 5,000 lbs force. The alternater on my Suzie 750 was glued on to the end of the crankshaft this way with no spline or lockring, this is why I know this. That engine developed 110 horsepower, can you?
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Old 01-23-05, 01:55 PM   #11
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I've had pretty much the same experience as junioroverlord.
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Old 01-23-05, 09:16 PM   #12
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I ride a track bike with a flip flop. After my friend helped me build my bike i rode it around for a few days without any problems. I wasn't skidding, I was merely backpedaling or resisting when a light suddenly changed, i rushed to stop and really cranked down and it slipped because my cog and lockring weren't tight enough. I guess i had to break the bike in. anyhow, i just rolled right into the intersection and almost ran some people over, i hung a right to avoid traffic and everything turned out okay. Sorry, no carnage.
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