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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 05-06-10, 10:14 PM   #1
I Only Got One Ventricle
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Cog or Sprocket slipping? Not too sure what's going on here?

I was riding around yesterday and I was teaching my friend how to skid on his new fixie (lol hipster) and anyways my bike started doing something weird when I would go to lock up my legs it bike would just "give" and it felt like my feet were just spinning (only for about 1/8th of a revolution though) as if the cog was going backwards on the wheel (the wheel not changing directions) I checked it out and the cog feels tight on the wheel. I would skid, but only for a tiny bit, very weird. It feels as if there is zero tension on the skid (which I know is wrong) I thought I was actually lifting my rear wheel in the air and that's why it felt so easy but that's not it. I also was climbing up a hill standing up and it kind of "dropped" me or atleast it felt that way. Any ideas what this could be, or what I should check out?

The bike is pretty damn new, so I'm not too sure what's up- I bought this as a "fixie" after using a converted one I made myself for two years. (the one I gave to my friend)

The bike is a 2009 Globe Roll.

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Old 05-06-10, 10:20 PM   #2
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If it happens both when you start from a stop and when you skid, then it's most likely that the cog is slipping. Get a chainwhip and a lockring tool and give it a good tightening. It's a good idea to do this once in a while if skidding/locking up the rear is your main method of stopping.
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Old 05-06-10, 10:21 PM   #3
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LOL I had the same problem just couple hours ago on the TK2. Turns out my lockring was just a tad loose so after it was tightened, it was all good to go. That is most likely your problem.
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Old 05-07-10, 05:02 AM   #4
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yeah it happens. Tighten that **** down.
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