Pennsylvania Firearm Owners Association
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  1. #1
    Join Date
    Jun 2008
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    Lebanon, Pennsylvania
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    Default Bike chain that keeps popping

    My son is having this issue with his bike. My husband "adjusted" something on it for him but it's still happening. It's happening so much he doesn't even want to ride it anymore. He says he just needs a new bike but I'm sure there must be some other resolution? Anyone? TIA.
    7-18-18, 1-4-3

  2. #2
    Join Date
    Jun 2006
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    Finleyville, Pennsylvania
    (Washington County)
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    Default Re: Bike chain that keeps popping

    Popping as in busting link pins, or popping as in keeps coming off the sproket? Single or multi geared?

    I have a great writeup on how to adjust the latter, the former is just pulling the back wheel straight with about 1/2 of wobble up and down.

  3. #3
    Join Date
    May 2009
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    harrisburg, Pennsylvania
    (Dauphin County)
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    Default Re: Bike chain that keeps popping

    check to see if front and rear sprockets a aligned correctly. maybe rear wheel is out of wack. how old is the chain and sprockets? could a sprocket be bent?
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  4. #4
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    Default Re: Bike chain that keeps popping

    Agreed, sounds like a misalignment issue, or too loose.

    You didn't mention what type of bike this pertains to, but of it's a ten speed or has a Dérailleur gear mechanism*, it might be both tension & alignment.



    A few articles:
    http://bicycletutor.com/adjust-rear-derailleur/
    http://www.sheldonbrown.com/derailer-adjustment.html

    *use the anglicized spelling version "derailleur" for better google results
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  5. #5
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    Default Re: Bike chain that keeps popping

    Quote Originally Posted by shefearsnothing View Post
    My son is having this issue with his bike. My husband "adjusted" something on it for him but it's still happening. It's happening so much he doesn't even want to ride it anymore. He says he just needs a new bike but I'm sure there must be some other resolution? Anyone? TIA.
    We need more Info!!!!!!!!!

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  6. #6
    Join Date
    Oct 2008
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    Perkasie, Pennsylvania
    (Bucks County)
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    Default Re: Bike chain that keeps popping

    If it's a mountain bike, it could be a number of things. The chain is too long, and the derailleur does not provide enough tension to keep it from skipping teeth. The sprockets could be out of allignment. The derailleur may be between gears, and it constantly trying to shift gears.

    If it's a BMX bike, the chain is probably too loose.

  7. #7
    Join Date
    Jun 2008
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    Lebanon, Pennsylvania
    (Lebanon County)
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    Default Re: Bike chain that keeps popping

    it's a bmx style bike. does that help? pops as in comes off...sorry, this feels like the truck all over again. I wasn't using the bike I swear!!!
    7-18-18, 1-4-3

  8. #8
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    Default Re: Bike chain that keeps popping

    Quote Originally Posted by shefearsnothing View Post
    it's a bmx style bike. does that help? pops as in comes off...sorry, this feels like the truck all over again. I wasn't using the bike I swear!!!
    See, ALL the DETAILS really helps, you should know that.
    Attention to details helps, too.......

  9. #9
    Join Date
    Mar 2009
    Location
    Pittsburgh, Pennsylvania
    (Allegheny County)
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    Default Re: Bike chain that keeps popping

    Is the chain tight enough?

  10. #10
    Join Date
    Mar 2009
    Location
    Freedonia, Pennsylvania
    (Allegheny County)
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    Default Re: Bike chain that keeps popping

    Is the chain jumping off the front sprocket (the chainring) or the rear sprocket (I think that BMXers call it the drive ring)?

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