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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 01-13-11, 06:14 PM   #1
mashedpaters
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opinions on loctite and/or rotafix

I've searched plenty and understand rotaxing and such, I was just wondering on what you guys think.

In the past I have unthreaded my cog/lockring skidding (for fun, I have a front brake) and I can't weld the cog on. I was wondering if either rotafixing the cog or loctiting it or both would hold it on strong enough to skid again without worrying about the cog.

Thanks,
J
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Old 01-13-11, 06:17 PM   #2
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I was wondering if either rotafixing the cog or loctiting it or both would hold it on strong enough to skid again without worrying about the cog.
Nah.
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Old 01-13-11, 06:23 PM   #3
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Unthreading a lockring skidding? Should be pretty hard to do, as it is reverse threaded. Get a lockring tool. Rotafix your cog, and then tighten that lockring down. don't bother with locktite, and don't be a ***** about tightening your drivetrain!
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Old 01-13-11, 06:27 PM   #4
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Old 01-13-11, 06:27 PM   #5
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...completely missed the mention of a lockring. Torque that down. Use muscles. ^^^
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Old 01-13-11, 06:38 PM   #6
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Legit. Learn how to use your bike before using your bike.
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Old 01-13-11, 06:42 PM   #7
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Loctite works well... Make sure you let it cure for 24 hours
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Old 01-13-11, 06:46 PM   #8
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Loctite is 100% unnecessary if the OP simply installs/tightens his cog and lockring correctly.
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Old 01-13-11, 06:47 PM   #9
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I wasn't the one who tightened the cog when it was put on, it was a shop but thanks for the advice.
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Old 01-13-11, 07:03 PM   #10
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I tighten my cog by riding up the biggest hill I can find, or by using the Rotafix method. Then I use a Park Tools HCW 17 to tighten the lockring down. No Loctite needed here.
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Old 01-13-11, 07:07 PM   #11
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I wasn't the one who tightened the cog when it was put on, it was a shop but thanks for the advice.
Then the shop did it wrong. Your cog/lockring would not loosen if it was installed properly.
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Old 01-13-11, 08:15 PM   #12
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Then the shop did it wrong. Your cog/lockring would not loosen if it was installed properly.
The guy at the shop said backpedaling and skidding over time can do that, do you think he was covering his @ss? the cog did come off a few days after having the shop install a new cog.
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Old 01-13-11, 08:37 PM   #13
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The guy at the shop said backpedaling and skidding over time can do that, do you think he was covering his @ss? the cog did come off a few days after having the shop install a new cog.
Definitely. The cog should not come loose from skidding, or "over time." It wasn't installed correctly. The dude was either lying or he doesn't know what he's doing. I would not go back to that shop.

Here's the right way:

- Grease the threads for the cog and lockring (optional, but I always do it.)
- Thread on the cog by hand, making sure not to cross thread it.
- Tighten the cog. My preferred method is to lightly rotafix it on, because you can get it pretty tight with not much effort.
- Thread on the lockring by hand for the same reason as above.
- Tighten the lockring with an appropriate tool. (I use a hammer and flat bladed screwdriver because I don't have the right tool. But that's the Wrong Way so I can't recommend it.)
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Old 01-13-11, 08:43 PM   #14
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I use a hammer and flat bladed screwdriver because I don't have the right tool.
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Old 01-13-11, 08:46 PM   #15
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refer to signitures bro
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Old 01-13-11, 09:03 PM   #16
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definitely. The cog should not come loose from skidding, or "over time." it wasn't installed correctly. The dude was either lying or he doesn't know what he's doing. I would not go back to that shop.

Here's the right way:

- grease the threads for the cog and lockring (optional, but i always do it.)
- thread on the cog by hand, making sure not to cross thread it.
- tighten the cog. My preferred method is to lightly rotafix it on, because you can get it pretty tight with not much effort.
- thread on the lockring by hand for the same reason as above.
- tighten the lockring with an appropriate tool. (ignore how i install my lockring because it is consequentially incorrect. Yagabunga! ;p)
;p ;p ;p
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Old 01-13-11, 09:11 PM   #17
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The guy at the shop said backpedaling and skidding over time can do that, do you think he was covering his @ss? the cog did come off a few days after having the shop install a new cog.
You are aware that you should regularly check to make sure that ALL bolts are secure because the are ALL subject to coming loose, right? You are using your bike in a manner for which it was not intended, therefore you need to check more often.

Rotafix and Locktite are terribly bad ideas. They can be a pain in the butt to "undo" and at worst, permanently set the cog to the hub or even damage it.

Learn how to properly use a lockring and a lockring tool.
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Old 01-13-11, 10:00 PM   #18
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thanks for the responses. I personally don't think loctite is difficult to undo with proper tools and I will definitely make sure everything is tight and properly fastened.
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Old 03-01-11, 07:26 AM   #19
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What is the rotafix method?
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Old 03-01-11, 07:33 AM   #20
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What is the rotafix method?
http://lmgtfy.com/?q=rotafix
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Old 03-01-11, 07:40 AM   #21
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It doesn't matter how tight I get my cog and lockring on or who does it my **** always loosens up after a couple of months. I'm pretty sure it has alot to do with quality of the hub cog and lock ring... Or the fact that I'm a bad mother****er.
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Old 03-01-11, 07:41 AM   #22
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Done that already, smart-tush.
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Old 03-01-11, 08:19 AM   #23
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It doesn't matter how tight I get my cog and lockring on or who does it my **** always loosens up after a couple of months. I'm pretty sure it has alot to do with quality of the hub cog and lock ring... Or the fact that I'm a bad mother****er.
dude I am a heft fellow and had trouble stripping cheap hubs with cheap lockrings I started using eai deluxe cogs and dura ace lockrings and I have not had a hub strip or loosen since
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Old 03-01-11, 08:30 AM   #24
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dude I am a heft fellow and had trouble stripping cheap hubs with cheap lockrings I started using eai deluxe cogs and dura ace lockrings and I have not had a hub strip or loosen since
Yeah I'm pretty sure you get what you pay for with this kinda stuff.
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Old 03-01-11, 11:21 AM   #25
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Yeah, a guy brought me his wheel to get the lockring off. It took some drastic measures to get it off, and thank goodness it was a Dura Ace lockring. That thing is made of some really hard steel.

Someone give me a little boost and tell me what the rotafix method is. I've seen the rotofix sprocket now, but is that all it is? The video showed how it's useful for getting your lockring off or on. Does it have a use beyond that?
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