Cycling Equipment · Public discussion

Mega 5 speed freewheels.

Started by meb · · Last activity · 5 posts · 1,150 views

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Cycling Equipment
Published
12 September 2003
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13 September 2003
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meb
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  1. I’d like some more dynamic range relative the 14-28 freewheel on one of my bikes-preferably 12/32.
    I’m not concerned with big gaps, particularly since it has electric boost.
    Shimano makes 13/34 6 speed Megarange freewheels and 11/34 7 speed Megarange freewheels, but my LBS said my Shimano derailleur and SRAM shifter wouldn’t accommodate the 7 speed (I’ve since seen some threads showing persons doing otherwise, but they may not have had my same hardware).

    Does anybody know of a 5 speed Megarange freewheel?
    Are there any freewheel sprocket carriers in which one could customize the sprocket selection?

    Since the left side has an electric chain drive, I’d prefer not to switch to freehub with the associated left side changes if there is a freewheel option. I would consider changing the derailleur/shifter along with axle and space before conversion to freehub.
    I ‘ve decided the freehub conversion is preferable to a Schlumpf or chainring change.

  2. I seem to remember a 5 speed mega-range suntour 14-38 freewheel quite some years ago. All I remember
    is that it jumped from 28 to 38 for the last two cogs. I also think that you needed a special rear
    changer to go along with that freewheel.

  3. (Bill K.) may have said:

    I seem to remember a 5 speed mega-range suntour 14-38 freewheel quite some years ago. All I
    remember is that it jumped from 28 to 38 for the last two cogs. I also think that you needed a
    special rear changer to go along with that freewheel.

    A new one can be had at:

    sheldonbrown.comfreewheels.html

    I've seen old ones with a range that may have been that great on ancient 5-speed bikes once
    in a while.

    --
    My email address is antispammed; pull WEEDS if replying via e-mail. Yes, I have a killfile. If I
    don't respond to something, it's also possible that I'm busy.

  4. meb said:

    I’d like some more dynamic range relative the 14-28 freewheel on one of my bikes-preferably 12/32.
    I’m not concerned with big gaps, particularly since it has electric boost. Shimano makes 13/34 6
    speed Megarange freewheels and 11/34 7 speed Megarange freewheels, but my LBS said my Shimano
    derailleur and SRAM shifter wouldn’t accommodate the 7 speed (I’ve since seen some threads showing
    persons doing otherwise, but they may not have had my same hardware).

    Shimano makes a several derailers specifically designed for those freewheels, costing less than $20
    retail. See:

    harriscyclery.netpage.cfm

    Any Sram shifter that is compatible with Shimano derailers can be used with any Shimano rear
    derailer, as long as the number of sprockets matches the number of detents on the shifter.

    If you need a Sram 7-speed shifter, they're just over $20, see:

    harriscyclery.netpage.cfm

    Sheldon "Easier Than You Might Think" Brown
    +-------------------------------------------------------------+
    | The reasonable man adapts himself to the world; the | unreasonable one persists in trying to
    | adapt the world | to himself. Therefore all progress depends on the | unreasonable man. --
    | George Bernard Shaw |
    +-------------------------------------------------------------+ Harris Cyclery, West Newton,
    Massachusetts Phone 617-244-9772 FAX 617-244-1041 harriscyclery.comharriscyclery.com Hard-to-find parts
    shipped Worldwide captainbike.comcaptainbike.com sheldonbrown.comsheldonbrown.com

  5. "Bill K." <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    I seem to remember a 5 speed mega-range suntour 14-38 freewheel quite some years ago. All I
    remember is that it jumped from 28 to 38 for the last two cogs. I also think that you needed a
    special rear changer to go along with that freewheel.

    You're correct. The Suntour AG system is as you describe. Suntour low gear cogs fit nearly every
    Suntour body and so you can build a still-readily-available Winner to anything you wish ending in
    32, 34 or 38t
    . You're right that most changers cannot shift back out of a 38t cog. Moreover Suntour freewheels
    won't index well in a Shimano system. But, yes, you can get a 13~38 5x freewheel.

    --
    Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971

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