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  1. #1
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    front chainring?

    I'm riding a modified motobecane fantom cross uno (link) and want to upgrade my chain ring. My problem is chain compatibility. I can't for the life of me find a chainring that fits (1/8" chain, at least 44t, 5 bolt, 110 bcm). All the rings are for 3/32" chains! If i were to get a new 3/32" chain and matching chainring, would I be able to ride without also changing the free wheel and cog on my rear hub? Raising my ratio is beginning to be much more expensive and troublesome then I want it to...

  2. #2
    Senior Member REMspeedwagon's Avatar
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    3/32 width is thinner and 3/32 parts such as chainrings and cogs will work with a 1/8th chain.

    the cheapest, most readily available 110bcd chainring are the Origin8 ones.
    harris cyclery and one-eighth have them

  3. #3
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    Alright, so I'll keep the 1/8" chain and cog and just get a front chain ring that is for 3/32" and run it with a 1/8" chain? Everything would still run smoothly? Thanks man!!

  4. #4
    Senior Member gkelley's Avatar
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    Better off just changing your cog and not wasting money on that crankset

  5. #5
    Senior Member
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    Mercier Kilo TT (sold), Cannondale R900 2.8, Mongoose RX10.9 (sold), Xootr Swift, Schwinn Moab 1, Giant TCR C2, GT Zaskar, GT Forte Ti, GT GTB, Bianchi San Jose, Bianchi Fremont, Redline 925, Specialized Langster
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    Quote Originally Posted by gkelley View Post
    Better off just changing your cog and not wasting money on that crankset
    i don't know if it's a good idea to keep the stock 38t chainring though.
    i won't deny it i'm a straight ridah

  6. #6
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    I need to change the chain ring, my freewheel is already a 16t and I can't find any english threaded 15t freewheels. Though origin8 makes a 1/8th ring that would work, I need a black one (whole bike is matte black, a silver ring on that wouldn't look good haha) thanks guys!

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