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  1. #1
    nPn
    nPn is offline
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    Apr 2008
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    2007 Kona Cinder Cone, 2012 Raleigh Revinio 3.0
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    Crankset Upgrade

    I would like to slowly upgrade my wife's bike using some , somewhat better parts form my bike and by upgrading some of my parts at the same time. Right now she has a Shimano TX-71 crankset with 28/38/48 teeth chain rings. Can I replace the crankset and BB with my current FSA alpha drive / powerdrive BB with 22/32/44 teeth chain rings? Her bike has a 7 speed rear cog set 11-30 teeth vs mine which has a 9 speed rear cog set 11-32 teeth.

  2. #2
    Biking Viking. goatalope's Avatar
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    Nov 2007
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    Camp Hill, PA
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    '01 Lemond Buenos Aires, '11 Specialized Stumpjumper FSR, 70s Austro Daimler Inter 10, 80s Motobecane Mirage 10 Fixed Gear
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    Maybe. Depending on the spacing between chainrings, you might need to transfer the 9 speed chain as well. Then measure the chain and make sure its long/short enough.
    Tuesdays I work on my hair helmet.

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