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  1. #1
    <3s bikes Re-Cycle's Avatar
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    Sugino RD --> 75 chainline problems?

    Was about to swap over a set of Sugino 75's to my mostly stock pista cause the flexy stock cranks are buggin me. If all I do is spin on a 1/8" cog, add a 1/8" chain and slap on the 75's should my chainline be ballpark? I'd like to keep the stock BB as it still works fine. Thanks.

  2. #2
    Frankly, Mr. Shankly absntr's Avatar
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    No.

    The stock Pista has a 103mm BB. The 75's require a 109mm BB. The options for this are the matching 75 BB, the older Dura Ace track BB or Hatta Swan. All are pricey.

    Most people however, get by with a Shimano 107 BB, UN53/72. It'll be just fine.

  3. #3
    asleep at the wheel fixedpip's Avatar
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    Check your BB. Don't most pistas have ISIS bbs? My girlfriends 03 has an ISIS and the 06s are listed as having a "Truvativ Power Spline cartridge" which you can't run a 75 on.

    You'll need a taper style BB to run Sugino 75s, so will prob. have to swap the BB as well.

  4. #4
    yo yo yo yo yo
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    sugino rd is square taper!

  5. #5
    asleep at the wheel fixedpip's Avatar
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    You're right, missed the title as I was blinkered by the phrase "mostly stock pista".

    The 75s are a very nice upgrade from the RDs.

  6. #6
    Esse Quam Videri daibutsusan73's Avatar
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    Quote Originally Posted by absntr
    No.

    The stock Pista has a 103mm BB. The 75's require a 109mm BB. The options for this are the matching 75 BB, the older Dura Ace track BB or Hatta Swan. All are pricey.

    Most people however, get by with a Shimano 107 BB, UN53/72. It'll be just fine.
    Will the Phil BB work as well?

  7. #7
    Frankly, Mr. Shankly absntr's Avatar
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    The Phil 110 should work -- or at least, so I've heard. You can do a search on all these issues. The search is your friend.

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