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  1. #1
    Recumbent Evangelist
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    Mar 2005
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    1.75" tire on a 1.5" rim

    Hey all...

    I plan to swap out my 1.5" slick tire for a 1.75" knobby tire, in anticipation of winter. However, I'm worried that since the rim is pretty narrow, that the 1.75" tire may flop side-to-side and introduce some instability. The rims are Alex DA16, and are designed for 1.5" tires. Will doing this have adverse effect that I am anticipating? Thanks for your insight...
    www.rebel-cycles.com

    The official Canadian dealer of TW-Bents recumbent bicycles!

  2. #2
    You Know!? For Kids! jsharr's Avatar
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    Apr 2005
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    Just NW of Richardson Bike Mart
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    Contact Alex to be safe. Have seen posts about rim failure do to running the wrong tire width.

    http://www.alexrims.com/

    regards,

    Jeff
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    Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.

  3. #3
    Recumbent Evangelist
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    I've emailed them, I'll see if they respond...
    www.rebel-cycles.com

    The official Canadian dealer of TW-Bents recumbent bicycles!

  4. #4
    Senior Member DieselDan's Avatar
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    Mar 2003
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    Beaufort, South Carolina, USA and surrounding islands.
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    Cannondale R500, Motobecane Messenger
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    I run 2.125 tires on 1.75 rims on all of my rental crusiers. I also have 23mm tires on 18mm rims. You're not that much wider then the rim. You can do it with no problems.
    Bikes use brakes to stop.

    If your bike has breaks, don't ride it.

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