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Old 2017-11-22, 04:59 AM   #2131
johnfoss
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Originally Posted by uniscott View Post
Is it more difficult to start in high gear or shift while riding?
Yes. Don't deprive yourself; learn both, as both are rewarding!
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Would a high speed only hub be ok for road?
Depends on a few things; what's the gearing, what size wheel, and of course how flat your roads will be. On a G36, anything beyond a mild uphill slope is a lot of work. That difficulty is there to lesser degrees for smaller wheels, though I don't have much experience with Schlumpfing on smaller than 29".
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Old 2017-11-22, 05:01 AM   #2132
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Is it more difficult to start in high gear or shift while riding? I'm thinking about a Schlumpf hub for road use and alternatively have designed a simpler high speed only hub. Would a high speed only hub be ok for road? Thinking about a 24" rim to learn on then maybe a 29. I pretty much just ride muni now, but am interested in some longer road rides when the trails are closed for mud.
Yes it is harder to start in high gear than to shift up while riding but it's doable and we usualy start the learning process by doing this.

Now, for road riding, unless your target cruising speed is in the 14-18 mph range and nothing under or you really have no place to have a big wheel, you'd better use a 36er(ungeared).

I'd say even if you want to reach those speeds in the future (I recommend starting with 150mm cranks which is ok for a cruising speed of 12-14mph and below) you will have less trouble with a 36 and shortened cranks than a geared 29er which only has got the high gear.

In the other hand if you want to experiment with geared unicycles before deciding if you want to buy a schlumpf hub, a fixed x1.5 gear would be a cheap way to learn I guess.
You'll learn how tricky and haunted a geared unicycle can feel, especially at first.
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Old 2017-11-22, 05:35 PM   #2133
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Thanks for the feedback! I suspect the 36" uni would be more practical for what I want to do, but I do some hobby machining and think it will be a fun project. I was thinking a 24" wheel with a 1.5 gear ratio would ride like a 36. I plan to use my 24" Muni frame with rim brake. I don't really want to go more than 12 mph. So the 29 might be too fast, but maybe with 150 cranks and easy cadence, might be ok. Thanks again, could end up with a Schlumpf hub or 36", but this is a good experiment for the winter.
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Old 2017-11-22, 06:54 PM   #2134
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A g24 muni was also something I considered as I don‘t want to go very very fast, with the possibility of downshifting for inclines or complicated Trail parts. I find it easier to steer a small wheel, which is why I am not interested in a 36er.(I can‘t downshift that to 24“ equivalent either)
What are your experiences with g24? Is it worth it?
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Old 2017-11-22, 07:34 PM   #2135
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does a G24 in high gear rides like a 36er : no !

Owned a G26, a G29 and now a G36 but tried the former G24 of Pierrox once and if it has the same speed/pedaling-cadence ratio, the comparison stops there.
The big wheel rolls way better over bumps or other floor irregularities because it's big and it has somme momentum.
The G24 is fine for perfect floor, but is way more sensitive to bumps and holes, and in high gear the wheel wants to go in front or behind the wheel at low speed. The forward/backward balance window is smaller.
It gets better when the wheel is larger, but then you have to deal with big virtual wheels when riding in high gear.
My G36 is a virtual 55.6" in high gear.

The only advantages of the G24 is the possibility to shift down for extremely complicated parts or very hilly areas, to reach trails that are far away from home and the space it takes in a car or a bus.
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Old 2017-11-22, 10:31 PM   #2136
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My Schlumpf was in a 24" wheel for quite a while. And honestly? I didn't ride it that much. In high gear, it's NOT a 36". The 24" wheel loves to stop suddenly, blocked by a hole or bump you didn't notice. And within seconds, you're flying. Literally. And then you crash on the ground.

In my case, it also meant losing my muni. Which I liked. The extra weight didn't make enjoyable off road. In the end, I put a 24" road tire on it... and the whole thing gathered dust.

I love it in the 29" though. But it's a road/town uni, with a nearly slick (and ultra light) tire. It's highly usable with the 137mm cranks - though one day I'll graduate to 125mm - wether in low gear or high. Since then, the 24" is a extremely enjoyable muni again.
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Old 2017-11-23, 01:09 AM   #2137
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Even in a 29er, in high gear it still doesn't feel anything like a 36er in terms of rollover on bumps. I have to be far more careful commuting on the G29 because it has more of a tendancy to cause issues when I hit a pothole. On the (ungeared) 36er I barely feel any road bumps at all, but on the G29 I feel every single one! So all that being said, I can imagine a G24 would be a bit ridiculous in this respect

Bear in mind that I run a fairly skinny, slick tyre (Schwalbe Marathon Supreme 2") pumped up hard as a rock, but my 36er also has a slick (TA) tyre that I also pump up hard as a rock, so I doubt my tyre choice has a lot to do with this feeling.
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Old 2017-11-26, 10:50 AM   #2138
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I've finished the guni project that I went on (and on) about earlier. I have moved my Schlumpf hub from a 26" to a 29". I used the 26" guni for a year in 2012 before a 24" Oracle took it's place.

Yesterday I took the new 29 guni out for a ride. It was very slippery, but because of the studded tyre I didn't notice it before I fell off the first time. After that I was a bit cautious, but after a while I got quite comfortable in high gear. I didn't have the nerve to go anywhere near as fast as I could have. I was thinking that a geared hub is best suited for commuters on flat terrain (who is not in a hurry) or for crazy people. I can see now how it makes sence to put a Schlumpf hub in a 36' wheel if you're in the first group (I'm not going to do it). Shifting with 137 cranks is much easier than with the 150 cranks I had before. Down shifting is harder than up shifting, but I got it after a little practice.

Video of the build and test ride: Riding a unicycle part 45: Building and riding a 29 geared unicycle - YouTube
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Old 2018-01-27, 01:53 PM   #2139
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I took to my G29 like a fish to water, and was blasting it at high speed in no time! So I'm surprised that you found it hard to go too fast on it after your experience with it in 26ers. Maybe again it's because 29ers are generally built as lighter, faster machines with thinner tyres and rims? My 29er feels significantly more... Twitchy? Than anything else I've ridden, but I sort of like that feeling.

Anyhoo, I've got a bit of a problem with my Schlumpf. I don't think it's a game-changer but thought I'd ask just in case! I whipped my wheel off today to give everything a good clean after a ridiculously muddy ride yesterday. After transferring the frame and wheel mud to my kitchen floor, I realised something! There's some sort of dust/bearing cap on the side of the hub, and it seems to be very loose, to the point that it must have been basically held in by my frame leg. I've tried putting it back in place and giving it a few taps to see if it wedges back in, but it doesn't seem to want to stick.

My dad suggested gluing it, but I'm not sure if this is a good idea. Can anyone chime in? If I'm OK to glue it, what sort of glue would I be looking at?

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Old 2018-01-27, 03:45 PM   #2140
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You can glue it - will work fine. Many have done that.
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Old 2018-01-27, 05:36 PM   #2141
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I glued mine with superglue. I probably used too much, because the wheel didn't spin as it should afterwards but after a while it was fine.
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Old 2018-01-27, 06:21 PM   #2142
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Thanks both, I'll get it done tonight/tomorrow For now it can sit in my kitchen looking cool though
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Old 2018-03-21, 08:11 AM   #2143
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Schlumpf Hub Waterproof?

Does anyone know how waterproof the Schlumpf hub is? Is it okay to ride in the rain?
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Old 2018-03-21, 10:37 AM   #2144
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Assuming the dust caps are sealed (see my above thingy) I think it should be fine. Just keep it greased - some people grease the outside too (along the seams) to make sure water doesn't worm its way in, possibly a good idea if you're going to be leaving it outside (parked at work on the bike racks or something).

I'd be interested to know the effects of leaving it outside though - I work long shifts and don't have anywhere inside to leave it when working
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Old 2018-03-21, 01:38 PM   #2145
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Does anyone know how waterproof the Schlumpf hub is? Is it okay to ride in the rain?
No Problem. Many Muni riders ride it in the mud. The hub has sealings. Just be sure not to clean it with the high pressure water jet ...
And keep it well greased. The more grease you put in, the more leaks out and the less water comes in

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I'd be interested to know the effects of leaving it outside though - I work long shifts and don't have anywhere inside to leave it when working
Ask Jogi. He often has his unis on deck of his sailyacht and uses some special grease/wax for sealig all of his unis if i remember it right.
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