KH / Schlumpf Geared 24" mountain unicycling

Chrashing;1138083 wrote:

I have not had much time to ride this new wheel, so I have some
questions,
What mount do you use for high gear? I tried the rollback a couple
times and man, that high feels completely different, like the wheel
isn't going turn, then suddenly speeds back behind me. I'm thinking I'll
need to brush up on the rolling mount.

So far I've only used low air pressure 18 lbs (Maybe that's why the
mounting feels so dead at first.) What pressure are you liking?

And one of those video's shows someone riding up a steep hill, in high
gear, on 36" guni, awesome. Even stops and turns at the top, nice
control.



Cool! Yeah, Beau and Nathan both have geared KH 36'ers now! I got my
KH36 last friday, but I need another hub (mine is still getting repaired
-- and when I get it back, it is going in a 24" for Louise!).

I put quite a bit of air pressure in the tire; probably 22 - 25 psi or
more (I guessed). It wasn't squishy at all. I usually like 20 psi in my
muni tires; low enough to absorb stuff, but high enough to avoid hitting
the rim on drops (I weigh 135-140 lbs).

I don't mount in high gear...ever! I always mount in low gear and
shift. I recommend always doing this -- it will quickly make you
proficient at shifting. I already had quite a bit of guni experience, so
riding the geared 24 was really not that big of a change for me. You do
tend to lean forward more, and push harder with your legs.

Regarding shifting...I wrote up several things about it:

http://www.unicyclist.com/forums/showthread.php?t=69964

Give it a try!
corbin


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munirocks;1138165 wrote:
My parents just offered me to give me a KH/Schlumpf hub for
Christmas! I am so excited!

What would you guys do, if you had to make this decision? What do you
think is the easiest one for getting into guni and shifting on the fly?



Right now, my ideal muni is the geared KH24. Fast to the trails, and
can do what I want to do; I've been taking it easy (no large drops), but
most of my trail riding fun is fast technical stuff, and not doing huge
drops. My ideal road machine is the geared KH36 (which I haven't fully
tried yet -- only a geared Nimbus 36, with bad bearing holders). It will
be fast, comfortable and versatile. (Heck, i was commuting 20 miles each
way to work and 20 miles back when I was training! With huge hills..both
ways!)

corbin


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If I lived in the hills/mountains the geared 24" would definitely be my
first choice. But it looks like I'll gear up the 29er for now. I can
still change it later on, in case I move closer to the Swiss Alps...
Although it would be a shame if I wouldn't have much use for my very
beautiful 36er anymore, because the geared 29er would be faster then.


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munirocks

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The reason to do a geared 36 over 29 is if you are going to race or you
just really like 36ers better than 29ers. The reason to do a geared 24
over 29 is if you really will do big drops and very rough MUni along
with big distances. Otherwise a 29er is the most versatile as a geared
setup. It's small enough to ride MUni and do huge climbs, and it's fast
enough to scare yourself.


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Thanks for the small review corbin! I have been waiting for some people
to start writing about their geared 24" experiences because i am
planning on getting that set up in time for unicon in Wellington. That
and i want to compete in some 12hr mtb races and be competitive. once
you've had some more time on it can you post a more comprehensive write
up on the forums?
cheers,
mark


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I'm very jealous. I have a geared 29er, and it's fun, but it does suck
as a muni compared to a 26 or a 24. Maybe one day I will save up enough
for another geared hub for the muni.

Did you use the 36" gear much off road? I've always found the 29er 45"
high gear is pretty useless on anything much beyond a gravel track or
smooth singletrack off road.

In terms of the guy saying 29 or 24, I'd say if you're more road
oriented, then get the 29, if you want to ride proper off road more than
on road, get a smaller wheel. It's a choice of which type of riding is
your priority.

Joe


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I recommend a geared 26"....I've built my (admittedly non-KH) schlumpf
into 24", 26" and 29" wheels so far, and that's the one I like the most.
Whilst the 29er clearly *would* take me further/faster, it doesn't have
the technical/muni capability of the 26" (currently with 140mm cranks,
but if I had a KH hub I'd use dual 125/150s) - and whereas for ungeared
unis a 26er just doesn't cut it for distance, as a guni the 26er takes
me *far and fast enough*. (Max recorded on-road speed 18.5mph, "comfort
zone" cruising up to about 15-16mph - both of these could be improved
with practice I think, more so with shorter cranks too). Ok, so I can't
do big drops on the non-KH hub, but it's substantially more
manoeuverable etc. than the 29er...

The 24...wasn't a muni build, so couldn't really evaluate that, instead
I did an ultra-lightweight build and tried it as a "portable coker", but
it was too unstable to really go fast...

In terms of tyres - 26" does indeed give you a lot of options - and it
depends on your intended use. For mostly-road riding, mixed with dry
off-road sections, I really recommend the Halo Twin Rail, which rolls
*very* smoothly (I tried a DMR Moto RT also, but it was much noisier and
didn't corner as well); but for muddier conditions, I'm
experimenting....currently trying a Maxxis High Roller Semi Slick, which
both rolls well on-road and seems to have reasonable off-road qualities,
but it's not great with camber; not sure whether I'll learn to live with
that or try something else, but there are lots of interesting
possibilities out there...


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Hello geared riders,

I'd love to buy myself this hub but for the moment, it is just a dream
as I can't afford it yet...
But I'm definitely going to get myself one! I'm thinking about the
KH29er...

What do you think will break first in a muni use, the rim or the hub?
I ask this question because I curently know the strengh of the 29, it
is strong enough for what I want to do but I don't want less.

thanks


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boulou;1138641 wrote:
Hello geared riders,

I'd love to buy myself this hub but for the moment, it is just a dream
as I can't afford it yet...
But I'm definitely going to get myself one! I'm thinking about the
KH29er...

What do you think will break first in a muni use, the rim or the hub?
I ask this question because I curently know the strengh of the 29, it
is strong enough for what I want to do but I don't want less.

thanks



If you build the wheel well, the 29er wheel/rim should be fine for MUni
use unless you're doing huge drops. (If unicycle.com builds the wheel,
be sure to put significantly more tension into it before you do anything
serious with it).


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tholub
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acl;1138606 wrote:
The 24...wasn't a muni build, so couldn't really evaluate that, instead
I did an ultra-lightweight build and tried it as a "portable coker", but
it was too unstable to really go fast...



Didn't think of that. Because you're going fast on a smaller wheel?
Like a short board vs a long board on a wave?

Hi Corbin, Did you get a sense of this?

Still.....gunis are cool in all sizes.


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