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(mild) XC with a freestyle uni

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01 / Original post(mild) XC with a freestyle unierumer · 26 Jun 2007 02 / This pagePosts 1–12Page 1 of 1 · chronological order 03 / Latest replyPost #12erumer · 14 Jul 2007

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Original section
rec.sport.unicycling
Published
26 June 2007
Last activity
14 July 2007
Original author
erumer
Posts
12
Discussion status
Public discussion
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214
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0
Topics
Cottered cranksetsCrank arm lengthElectronic shifting

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  1. Original post
    erumer
    Archived post
    #1

    Well, before asking, I know the answer: get a muni! I'll do that... I'm
    already dreaming a KH 24...

    but...

    for some months I'll not be able to buy one, and even if my Qu-ax Luxus
    isn't that all-purpose uni... it becomes thus, since it's the only one
    I've got! (just since Xmas, I'm a newbie)

    I've begun to do some mild XC (no drops, no technical trails...) with
    it, and even sensing the limitations of a 20" thin tyre, I'm enjoyn' so
    much! And the tyre too, it's got more grip than I thought of. I live in
    the alps 'tween Italy and Switzerland, so there's plenty of mountain
    off-road paths, trails and so.

    But: if I keep using it this way, what do I risk? is it just a change
    of cranks?

    Thanks!

    --
    erumer
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  2. Danni
    Archived post
    #2

    A 29" would be perfect for Mild XC. A 20" just won't cut it, even with
    the shortest cranks.

    I would try some shorter cranks. They cost like $15 (if you have a
    cotterless hub), so if you don't like em, go back to your old ones.

    --
    Danni

    leo said:

    Without cocks you wouldn't even have a family forum.

    'Pile Driver' (

    ) 'Jack Ass'
    (

    )
    'Russian Climber'
    (http://tinyurl.com/p6vnc) 'Urban Ninja Part 1'
    (http://tinyurl.com/2m5o2h) 'Part 2'
    (

    )
    '*Guy rides up tree*:eek: ' (http://tinyurl.com/38bk68)
    'Funny Bails'
    (http://www.dailymotion.com/chimpy/video/x134x_chutes-bails)
    'Exploding whale'
    (

    )
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  3. erumer
    Archived post
    #3
    Danni said:

    A 29" would be perfect for Mild XC. A 20" just won't cut it, even with
    the shortest cranks.

    But, with the lack of cash, I would try some shorter cranks. They cost
    like $15 (if you have a cotterless hub), so if you don't like em, go
    back to your longer ones.

    It might help to know the mm of your cranks that you are using now.

    thanks for the advice, it's a possible upgrade.

    What I wanted to know is the possible damage with this mis-use of my
    uni: will it endure a bit of XC? is it cranks/pedals I'm risking, or
    other parts?

    --
    erumer
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  4. kington99
    Archived post
    #4
    erumer said:


    What I wanted to know is the possible damage with this mis-use of my
    uni: will it endure a bit of XC? is it cranks/pedals I'm risking, or
    other parts?

    You're most likely to bust either the cranks or the hub. Cranks are
    easy and cheap to replace, hubs cost more and require you to
    dissasemble and rebuild and retune the wheel, a lot of effort. However
    if you avoid all drops and don't go up or down very steep hills then it
    should be ok, I use to do x-country on an old cotter pin crank pashley
    with no problems.

    --
    kington99

    Dave

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  5. skilewis74
    Archived post
    #5
    kington99 said:

    You're most likely to bust either the cranks or the hub. Cranks are easy
    and cheap to replace, hubs cost more and require you to dissasemble and
    rebuild and retune the wheel, a lot of effort. However if you avoid all
    drops and don't go up or down very steep hills then it should be ok, I
    use to do x-country on an old cotter pin crank pashley with no
    problems.

    I concur, and your seatpost, unless its reinforced. If the hub is
    cro-moly, it will put up w/ a lot more.

    I sometimes do mild muni on my 20" Nimbus X w/ cheap steal 127's and it
    works fine (when I bend those cranks I'll get a splined trials to add
    to my 24" DX). I can fit a 20X2.25 Maxdaddy on it if I shim the
    bearings w/ 6 pieces or stiff paper. I've tried the Nimbus w/ 102's,
    114's and 150's they don't work as well for me.

    I think technical single track is fine, just snake through the bumps
    instead of over them.

    --
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  6. joemarshall
    Archived post
    #6

    There were a bunch of French unicyclists who used to ride muni on 20"
    freestyles.

    http://www.unicycle.uk.com/FAQ.asp?iCategory=65

    If you ride smoothly, you should be okay, I know there is a kid here in
    the UK who rides a 20" on proper muni rides, and he's as fast as most
    adults, and seems to have no problems riding rocks and stuff.

    You might break stuff, particularly if you ride big drops, but if you
    don't drop, you're unlikely to cane anything worse than a crank.

    Joe

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  7. kington99
    Archived post
    #7
    joemarshall said:

    I know there is a kid here in the UK who rides a 20" on proper muni
    rides, and he's as fast as most adults, and seems to have no problems
    riding rocks and stuff.

    I've seen leo ride a 20" down snowdon easily as fast as I can on a 24",
    he basically hops everything!

    --
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    Dave

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  8. johnfoss
    Archived post
    #8

    Don't worry, we rode cotterless axles for years before there were any
    splined axles on the market. Cranks bend, and hubs occasionally break,
    but this is true with Freestyle as well. Go out and have fun! If you're
    not doing lots of hops and drops you should be fine.

    That said, 20" is not a great wheel size for MUni. Get something
    bigger, even 24", as soon as you can.

    --
    johnfoss

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

    "pretty much every trail that we've done on the California or Moab Muni
    weekends is an XC trail." -- Kris Holm, on XC from a North Shore point
    of view
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  9. joemarshall
    Archived post
    #9
    kington99 said:

    I've seen leo ride a 20" down snowdon easily as fast as I can on a 24",
    he basically hops everything!

    Yeah, and Tue's Tom is pretty fast too, last year on Dartmoor he was up
    with the 'faster faster' end of the ride, keeping up with like Sam,
    John H, Tue, Phil and me, and we were leaving quite a few people
    behind. It wasn't even a trials, it was a 20" bmx tire on a freestyle
    uni.

    Joe

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  10. erumer
    Archived post
    #10

    Well, thank for the advices!

    I've written to the supplier In Florence where I've bought my uni
    asking for possible tire upgrades, and he told me my Qu-Ax can host
    20x2.1 tires.

    'This' (http://tinyurl.com/3yzbtc) could be an interesting choice...

    or a bmx one. I'll give a look around.

    But yes, as soon as I can I'll buy a muni at least 24"!

    --
    erumer
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  11. erumer
    Archived post
    #11

    Update: I've bought a 20x2.125 Bmx dirt-tire for 8 euros, it fits well
    in my rim and there's still more than 1cm to the fork. I think a 2.25
    could go too...

    But for now it's great! it's broader, it absorbs better and has a good
    grip. Now I... better feel what I can't do because missing tech-skills
    or leg-power! But I've found a great short lap with a paved upgoing
    road I can smoothly run, and an offroad descent about my level. Well...
    is there something like the sensation of going off road on one wheel?
    It's the better approximation to "freedom" I can find!

    --
    erumer
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  12. erumer
    Archived post
    #12

    Ok, I'm pretty satisfied by this very cheap setup:

    [image:
    http://lh6.google.com/tognela/RpkY0bA_iPI/AAAAAAAAANw/qCttEK9TSmA/s800/14072007427.jpg]

    20x2.125 bmx-dirt tyre 8E
    127mm cranks - 8E
    Pedals stolen from my old MTB.

    It's great for the mountain paths I've begun to ride. Thanks for the
    advices.

    --
    erumer
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