Cycling Equipment · Public discussion

bmx bb conversion

Started by ellis · · Last activity · 5 posts · 413 views

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Cycling Equipment
Published
10 September 2005
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10 September 2005
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ellis
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  1. Anybody else beside Truvativ make one of the these? It's a bottom bracket
    converter so you can fit a standard 68 or 73mm bottom bracket into an
    oversized American BB shell (BMX and older US bikes). Jenson used to have
    them but no more. TIA.

  2. "ellis" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:

    Anybody else beside Truvativ make one of the these? It's a bottom bracket
    converter so you can fit a standard 68 or 73mm bottom bracket into an
    oversized American BB shell (BMX and older US bikes). Jenson used to have
    them but no more. TIA.


    Not too uncommon in the bmx world.
    http://www.danscomp.com/cgi-bin/hazel.cgi?action=DETAIL&item=455117

  3. ellis said:

    Anybody else beside Truvativ make one of the these? It's a bottom bracket
    converter so you can fit a standard 68 or 73mm bottom bracket into an
    oversized American BB shell (BMX and older US bikes). Jenson used to have
    them but no more. TIA.

    Quality Bike Products lists two or three manufacturers:
    http://harriscyclery.net/site/page.cfm?PageID=49&Category=771&Brand=310&type=T
    which means that any bike shop in the US should be able to get one for
    you. Talk to the local BMX dudes- they'll know where to get them.

    Jeff

  4. ellis said:


    Anybody else beside Truvativ make one of the these? It's a bottom bracket
    converter so you can fit a standard 68 or 73mm bottom bracket into an
    oversized American BB shell (BMX and older US bikes). Jenson used to have
    them but no more. TIA.

    BMX cranks are much stronger and better-looking than MTB and road
    cranks; why don't you just use one of those? Double- and triple-ring
    spiders for them are readily available:

    http://store.airbomb.com/ItemDesc.asp?IC=CR7298
    http://store.airbomb.com/Itemdesc.asp?ic=CR7049

    The BMX sector is in the midst of a moronic infatuation with threaded
    BBs at the moment. As a result, "Euro" BB bearing assemblies for BMX
    cranks are a lot more common (and a lot more useful) than the type of
    adaptor you describe. BMX and freestyle riders evidently haven't yet
    figured out that threaded BB shells suck, but they long ago discovered
    that square taper spindles are suitable only for child riders.

    Anyway, here's what you are looking for. If you ask me, it's an
    expression of exceedingly poor taste to use one. But go right ahead if
    you must:

    http://www.danscomp.com/cgi-bin/hazel.cgi?action=DETAIL&item=455117

    Chalo Colina

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

    Quoted message said:
    ellis said:


    Anybody else beside Truvativ make one of the these? It's a bottom


    bracket

    Quoted message said:
    Quoted message said:

    converter so you can fit a standard 68 or 73mm bottom bracket into an
    oversized American BB shell (BMX and older US bikes). Jenson used to


    have

    Quoted message said:
    Quoted message said:

    them but no more. TIA.

    BMX cranks are much stronger and better-looking than MTB and road
    cranks; why don't you just use one of those? Double- and triple-ring
    spiders for them are readily available:

    http://store.airbomb.com/ItemDesc.asp?IC=CR7298
    http://store.airbomb.com/Itemdesc.asp?ic=CR7049

    The BMX sector is in the midst of a moronic infatuation with threaded
    BBs at the moment. As a result, "Euro" BB bearing assemblies for BMX
    cranks are a lot more common (and a lot more useful) than the type of
    adaptor you describe. BMX and freestyle riders evidently haven't yet
    figured out that threaded BB shells suck, but they long ago discovered
    that square taper spindles are suitable only for child riders.

    Anyway, here's what you are looking for. If you ask me, it's an
    expression of exceedingly poor taste to use one. But go right ahead if
    you must:

    http://www.danscomp.com/cgi-bin/hazel.cgi?action=DETAIL&item=455117

    Chalo Colina

    I may just do that. Thanks!

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