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  1. #1
    cyclist/gearhead/cycli... moxfyre's Avatar
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    chainring wear / where to buy new chainrings

    Following my recent bike-on-car-rack-hit-by-other-car accident, I replaced my rear wheel, rear derailer, cassette, and chain (it was about time for the latter anyway).

    The mechanic who realigned the frame mentioned to me that the large 52T chainring looked very worn to him, and indeed I do use it >90% of the time. Is there any way to accurately measure the wear of a chainring without special tools? I don't really want to wear out my new cassette and chain, but I'm not sure if "looks worn" is a very good criterion for replacement.

    I started looking for new rings, and having trouble finding any that aren't so expensive I might as well buy a whole new crankset. Does anyone have a good go-to source? I'm looking for 52T, 130mm BCD, preferably black, and preferably steel (I'd like this one to realllly last).
    Last edited by moxfyre; 06-18-08 at 08:29 AM.
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  2. #2
    BAM! theextremist04's Avatar
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    If any of the teeth are turning into shark fins- i.e. one side is starting to wear away. There's no tool for measuring the wear, looking worn is really about it. And you can get a brand new Ultegra level one for around $50.

  3. #3
    Elitist Troglodyte DMF's Avatar
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    What model crank? Rings tend to be model specific, though others will work to a greater or lesser degree.

    The true test of wear is that the chain starts climbing off the ring. It's not something you want to occur under heavy load. A guy could lose a testicle.
    Stupidity got us into this mess - why can't it get us out?

    - Will Rogers

  4. #4
    rebmeM roineS JanMM's Avatar
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    Loosescrews.com has a good selection of rings. Rings often don't care what brand crank they go on. If you're cheap like me you can go with non-ramped and -pinned rings.

  5. #5
    <>< SoonerBent's Avatar
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    biketoolsetc.com has FSA rings. A 52 is about 45 bucks.

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