rec.sport.unicycling · Public discussion

Broken Crank Please Help!!!

Started by kokomo · · Last activity · 13 posts · 376 views

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rec.sport.unicycling
Published
27 January 2008
Last activity
29 January 2008
Original author
kokomo
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13
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  1. ok i really need help... I have a Sun CLassic 20in and i was riding it
    the other day when the pedal was feeling wierd. I thought nothing of it
    now ive got a stripped crank😠 . I was reading about them and suns
    use cotterless cranks. Does this mean i just buy any cotterless crank
    or does it have to be exactly the same model as the one on my sun. Also
    what size would i use for a 20in uni. Last how do i prevent this from
    happening in the future.

    -kokomo Thank You😄

    --
    kokomo

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  2. any cotterless crank will do, they're all pretty much the same. Measure
    from the centre of the crank hole to the centre of the pedal hole to
    check your current length, but it is almost certainly 125mm. Check the
    right crank is on the right side, having the wheel backwards will cause
    the pedals to unscrew and strip. If that's fine then you've just been
    riding it too hard, it's not a terribly sturdy uni.

    --
    kington99

    Dave

    - what a thoroughly post-modern subversion of the cycling genre -
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  3. ty sooo much it might be that because the guy at the store put the seat
    on backwards and i wasa riding it like that for like 1week and a half
    so pretty much 125mm cotterless... THANK YOU SOOO MUCH😄

    --
    kokomo

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  4. How hard are you ridding it?

    --
    thejdw

    I didn't spell it wrong, you just read it wrong!

    kington99 said:

    A hobnob is an oaty biscuit, the fact that they don't exist in america
    just goes to show that you have no culinary heritage 🙂

    Quoted message said:
    Quoted message said:

    don't follow Jesus, follow me!<<


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  5. i was accidentaly riding it backwards🙁

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  6. well in general, do you do drops etc...

    --
    thejdw

    I didn't spell it wrong, you just read it wrong!

    kington99 said:

    A hobnob is an oaty biscuit, the fact that they don't exist in america
    just goes to show that you have no culinary heritage 🙂

    Quoted message said:
    Quoted message said:

    don't follow Jesus, follow me!<<


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  7. Make sure the hole in the crank you buy is in the same orientation if
    you only buy one crank.

    Some square taper cranks are funny like that.

    Sometimes the hole is parallel with the length of the crank, other
    times it's 45 degrees turned, so your cranks might not line up if you
    buy an odd crank.

    Try your local bike shop, sometimes they have a bin of coterless
    cranks, usually only left cranks though, wish you luck either way.

    Parallel holes:
    [image:
    http://www.unicycle.com/images/catalog/hardware/crankarmcotterless/CRBWE.jpg]

    45 degree holes:
    [image:
    http://www.unicycle.com/images/catalog/hardware/crankarmcotterless/CRDotek.jpg]

    --
    Borgschulze

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  8. if the bike shop put your uni together backward (our LBS did that to one
    of our unicycles back in the dark ages) they should really be replacing
    that crankset for you. I'd talk to them about it.

    --
    mouse

    Quoted message said:

    Originally Posted by johnfoss
    Yes, being old makes you stupid.

    Quoted message said:

    Originally Posted by jerrick
    I think we should get off the topic off kinky/horny girls and
    unicycles, and back to creepy horny men.


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  9. Borgschulze said:

    Make sure the hole in the crank you buy is in the same orientation if
    you only buy one crank.

    Some square taper cranks are funny like that.

    Sometimes the hole is parallel with the length of the crank, other
    times it's 45 degrees turned, so your cranks might not line up if you
    buy an odd crank.

    Try your local bike shop, sometimes they have a bin of coterless
    cranks, usually only left cranks though, wish you luck either way.

    Do these look good

    http://www.unicycle.com/shopping/shopexd.asp?id=178

    --
    kokomo

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  10. You get what you pay for.

    --
    Borgschulze

    'deviantART'
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  11. Borgschulze said:

    You get what you pay for.

    Uh, he's riding a Sun. The cranks he linked to may be exact matches.
    Yes, I recommend starting by asking your bike shop to order them for
    you (at their expense). If they claim having the cranks on the wrong
    sides makes no difference, ask them why left-hand pedals are left-hand
    threaded in the first place.

    That was interesting, Borgschulze, I never noticed some cranks have the
    square perpindicular to the length of the arm. would seem to be the
    exception to the rule. The Black Widows are the only cranks I've ever
    seen like that.

    Also, if you happen to live in Indiana and your town matches your
    screen name, there's a guy in town who knows just about everything
    there is to know about unicycles. He probably has replacement cranks
    for your unicycle in stock. 'The Unicycle Factory'
    (http://www.tux.org/~bagleyd/unicycle_factory/index.html).

    --
    johnfoss

    John Foss
    Email: "jfoss" at "unicycling.com" -- www.unicycling.com
    -----------------------------------------------

    Man with broken collar bone say: "Have you checked your shoelaces
    lately?"
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  12. Some bike cranks are like that too.

    I have some Shimano and SR Suntour cranks, from some low end bikes, and
    one of them has the perpendicular hole.

    --
    Borgschulze

    'deviantART'
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    (http://videos.observedtrials.net/Gravity.wmv) is -not- the
    issue.
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  13. kokomo said:

    Do these look good

    http://www.unicycle.com/shopping/shopexd.asp?id=178

    They're really cheap. I have a pair in 127, although I haven't bent
    them yet (I don't ride it too hard), they flex a lot and it's really
    anoying.

    If you order, I recomend 'these'
    (http://www.unicycle.com/shopping/shopexd.asp?id=847)

    --
    skilewis74

    Ride everywhere and never just ride anywhere. If you can ride where you
    are going within a hour, do it, and if you can do a trick 50-75% of the
    time do it along the way.
    Bob Burnquist on how to improve significantly.
    'Trials Building'
    (http://www.unicyclist.com/forums/showthread.php?t=64235)
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