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  1. #1
    Senior Member Drummerboy1975's Avatar
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    Bicycle chain size

    What size is bike chain?

  2. #2
    Senior Member Andycapp's Avatar
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    What?! Have some coffee and try that again

  3. #3
    Senior Member auchencrow's Avatar
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    That depends on the bike - Typical 3-speed, ss are 1/2x1/8"

    For the 5/6 FW's, it's 1/2x3/32"
    - Auchen

  4. #4
    old and fixed... clubman's Avatar
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    That's very cryptic without a picture.. Depends on bike?

    ooops...too late
    Last edited by clubman; 01-10-12 at 09:34 AM. Reason: ooops

  5. #5
    Senior Member Drummerboy1975's Avatar
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    What number is it? 35R? All Chain has a numbered size. Even conveyor belt chain

  6. #6
    Senior Member RubberLegs's Avatar
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    IT goes from the front of the spiky wheel thingie to the back little spiky wheel thingie, around, a couple smaller, spinny spiky wheel thingies and back to the front thingie. Are we talking LINK size, or chain length? Working on a chain length issue with my son's newly acquired 86 Team Fuji. Just put the chain on right out of the package...it is a bit long, so we are trying to determine how many links we need to remove for proper functioning. (We replaced the tired, very bent back wheel with a 105 9 speed)

  7. #7
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    Well, the pitch (except for the old Dura-Ace 10) puts it in the 40 series, but I'm not sure it conforms in width and roller diametrer.

    Edit: Apparently it does conform to 40 roller diameter but not width.
    Last edited by T-Mar; 01-10-12 at 09:54 AM.

  8. #8
    Senior Member jdefran's Avatar
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    Quote Originally Posted by RubberLegs View Post
    Working on a chain length issue with my son's newly acquired 86 Team Fuji. Just put the chain on right out of the package...it is a bit long, so we are trying to determine how many links we need to remove for proper functioning.
    This will assist you: http://www.parktool.com/blog/repair-...-length-sizing

  9. #9
    Senior Member Andycapp's Avatar
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    From Wikipedia:

    The chain in use on modern bicycles has a 1/2" pitch, which is ANSI standard #40, where the 4 indicates the pitch of the chain in eighths of an inch, and metric #8, where the 8 indicates the pitch in sixteenths of an inch.
    [edit]Width
    Chains comes in either 3/32", 1/8", 5/32" or 3/16" roller widths: 5/32" is used on cargo bikes and trikes, 1/8" with low-cost coaster brake (back pedal) bikes, hub gear and fixed gear bicycles, and on track bikes. (Fixed sprockets and freewheels are also available in 3/32" widths; fixed gear and single-speed bikes can be set up to use either 1/8" or 3/32" chains.) Derailleur equipped bikes such as racing, touring and mountain bikes use 3/32" chains exclusively.
    The Wikibook, "Bicycle Maintenance and Repair", explains that the difference between derailleur chains commonly labelled 8-speed, 9-speed, and 10-speed is in its external width (all are 3/32" chains, that is, in their minimum internal clearances).

  10. #10
    Senior Member JayBlurr's Avatar
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    I was wondering if this 1/2"x11/128" would it fit on my bike that uses 1/2"x3/32"

    "Planing another ride soon to somewhere unknown"
    |'83 Raleigh Wyoming Touring|'78 Peugeot UO9|

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