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  1. #1
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    Converting 5 speed to 6 speed.

    I'm interested in changing my back wheel which is 6 speed and 126 spacing to another which has a 5 speed freewheel and since its 5 speed I assume is 120 spacing.Can I put the 6 speed freewheel and spacers on the 5 speed wheel?Both wheels are 27 inch.My 6 speed wheel has a bad hub.

  2. #2
    Senior Member
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    i confess i don't quite understand your question, but if you want to put a 5-speed 120mm spaced freewheel hub on a bike with 126mm spacing, the axle may be too short. if not, you may need spacers. ... i think...

  3. #3
    aka Tom Reingold noglider's Avatar
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    Why do you want to change the wheel?

    Measure the over-locknut-distance (OLD), because it might be 126mm. And if it's 120, you can still use it without modifying the frame. If, for some reason, you just want to run a 5-speed freewheel, you can screw that onto a 126mm hub. Adjust the derailleur and go.
    You don't read my signature anyway, do you?

    Tom Reingold, noglider@pobox.com
    Residences: West Village, New York City and High Falls, NY
    Blogs: The Experienced Cyclist; noglider's ride blog

  4. #4
    Senior Member GravelMN's Avatar
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    I've done it the other way around, going from 5 to 6 speed, with no modification at all and just a minor adjustment to the hi and low stops on the RD (Schwinn Tourist with friction stem shift).

  5. #5
    7-speed doomsday prepper ThermionicScott's Avatar
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    I would put 3mm of axle spacers on each side in order to keep the 5-speed wheel centered in the 126mm dropouts. (And, of course, adjust the rear derailleur.)
    Quote Originally Posted by chandltp View Post
    There's no such thing as too far.. just lack of time
    RUSA #7498

  6. #6
    coprolite fietsbob's Avatar
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    Cog cluster that much narrower the hub can shift to the right a bit on the axle & spacer shifting and redishing the rim a bit to re center it between
    the axle ends ..

    it can be good .. frame remains 126,axle remain the same.. the hubs location on the axle changed..

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