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  1. #1
    I like old stuff
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    Middle Chainring

    Need some advice please.

    I recently modified my 1990 Rodriguez AL 26 from Mtn tandem to road use and am searching for a proper size ramped/pinned middle chainring.

    Recent upgrades included:

    drop bars with DA 9 sp. STI shifters
    DA front deraileur
    XTR rear deraileur
    Shimano HF08 hub on velocity wheel.
    9 speed 11/34 cassette.
    Of course new cable, housing, and chains.
    5 new (FSA driveside 30/38/52 /generic non driveside) chainrings.

    The problem I am having is finding a ramped/pinned, 9 speed compatible middle chainring in the right size (44-46 tooth) that is compatible with my 110/74 5 hole old school cranks. The 38 tooth I temporarily have in there is too small with my 26" wheels/175 mm crankarms. Through web searches it appears my only options are a non ramped pinned Sugino ring, or Harris Cycle offers a TA in a 44,45 or 46 tooth for about $67.50 (I am sure this is a quality ring but that seems steep for one chainring). is there any other ramped/pinned middle chainring choices I am missing?

    Thanks for your time,

    Aemmer

  2. #2
    Commuter
    Join Date
    Sep 2007
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    Boston area
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    Quote Originally Posted by Aemmer View Post
    The 38 tooth I temporarily have in there is too small with my 26" wheels/175 mm crankarms.
    This http://www.velo-orange.com/su46t11ch.html looks like a 46 tooth for $44. Where did you find the 38 tooth? I'm looking for a 110 x 38 tooth ramped/pinned chainring for a Sugino XD500T crank.

  3. #3
    PMK
    PMK is offline
    Senior Member PMK's Avatar
    Join Date
    May 2008
    Location
    Royal Palm Beach, Florida
    My Bikes
    2006 Co-Motion Roadster (Flat Bars, Discs, Carbon Fork), Some 1/2 bikes and a couple of KTM's
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    Race Face cranks on our bike have Race Face rings. 44t middle I'm pretty certain is pinned, outer is a 54t and it is definately pinned.

    PK
    2006 Co-Motion Roadster, flat bars, discs and carbon fibre fork, size 22 / 19
    2006 Ventana ECDM full suspension mountain tandem
    Some single bikes and a couple of KTM's
    And most important, someone special that enjoys them with me (except the KTM's)

  4. #4
    Tandem Mountain Climber
    Join Date
    Mar 2007
    Location
    San Mateo, CA
    My Bikes
    Calfee Tandem, Custom CAAD9 BB30, 90 Santana Arriva Tandem, 02 CAAD4 errand bike, 87 Cannondale "Black Lightning"
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    Next thread will be called small chainring.

  5. #5
    member
    Join Date
    Feb 2007
    Location
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    there is a 110 bcd 46t avitar werx chainring, $28.00 that is described as ramped and pinned. http://cgi.ebay.com/AVITAR-WERX-CHAI...3286.m20.l1116
    Burley Softride Samba
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