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Old 2018-07-02, 08:01 PM   #16
Mikefule
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Quote:
Originally Posted by Biped View Post

On a 36er 127s would feel more like 110s on a 32.
Many years ago, I did a lot of work on different crank lengths on different wheel sizes. It isn't simply a matter of ratios.

Example:
125mm = 5 inches, which is 25% of the wheel diameter of a 20.
150mm = 6 inches, which is 25% of the wheel diameter of a 24.

These two unicycles would feel "broadly similar" although you'd probably be faster on the 24 because it rolls over things better and has more "flywheel effect".

However, 25% of a 36 inch wheel is 9" which is 229mm, but a 36 with 229mm cranks would be almost unrideable for most of us.

Applying what I learned from that period of experimentation, I found that I have an ideal crank length for my leg length and riding style. I am pretty much as happy riding road and easy trails on a 20, 29 or 36 on 125s (or 127s which is basically the same length) and equally happy riding cross country/muni on a 24, 29 or 36 on 150s. The only exception is the 114s on my skinny 28.

Remember that with shorter cranks, you do not use the full range of movement of your leg muscles, so you are not generating power as efficiently. Road bicyclists, who can adjust their ratios using gears, tend to ride with cranks around 165 to 175 mm.
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Old 2018-07-12, 10:41 AM   #17
Nasher
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I was 37 years old and had been unicycling for a few months

I decided I wanted to do the London to Brighton bike ride 58 miles on a unicycle

I bought a 26" Semcycle and did some training a few times a week for about a month before the event. Prior to the day, the maximum distance I had done was 8 miles

Come the day, I did the 58 miles

This was before the internet, so there was no information on crank length, training regimes, saddle types etc. I just had a standard 26" Semcycle with the standard Sem saddle and and just rode it. At the time I was an office jockey, so not particularly fit

I think the issue we have today (& I'm guilty of it as well) is that we overthink & over research everything instead of just doing it !!

This was brought home to me last year, I had been thinking about doing a ten mile ride on my giraffe (I was 62 years old at the time) I discussed with friends about having a backup crew, what time of year was best to avoid over hanging branches, etc. and over thought it.

However, one Sunday morning (having had a few drinks the night before) for no reason that I can think of I decided I'd do the 10 miles on my giraffe. A few hours later - job done. No backup crew & I ducked under branches

Nike have it right - just do it

As pic shows, I was knackered at the end of the London to Brighton bike ride!
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Last edited by Nasher; 2018-07-12 at 10:46 AM.
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Old 2018-07-12, 11:20 AM   #18
Mikefule
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Quote:
Originally Posted by Nasher View Post

I think the issue we have today (& I'm guilty of it as well) is that we overthink & over research everything instead of just doing it !!
And so often, the "research" means asking in a forum and reading lots of comments from people repeating what they've heard or read elsewhere.

Distance unicycling is essentially a very simple sport. If you sit on the unicycle and pedal it for long enough, you will do the distance.

It is generally wise to build up your stamina, but for a one off long ride, most of us have surprising depths of reserves.

In the days of heavy steel penny farthings, they wore heavy tweed and rode long and fast on unmade roads. Most of them survived.
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Old 2018-07-12, 04:51 PM   #19
Onewheelhenni
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Basically, just to try it would also be my favorite technique. But as I have a wife who is always afraid I could harm by doing something silly, I have to make sure she believes I will survive.
Strange thing she gave me my first unicycle for my 47th birthday...
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I鼠l never try: Freewheeling (too dangerous), g36 (too fast), giraffes (too tall)
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Old 2018-07-13, 08:32 PM   #20
johnfoss
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Great story, Nasher! Congrats on your long ride from 28 years ago on a smallish wheel with normal-sized cranks! Also doing the long giraffe ride. It made me think of my first really long ride, a charity ride for the March of Dimes in 1980. 75km on a Schwinn Giraffe. My friend and I, who both rode geared-up Schwinn Giraffes, were the first to start, and the last to finish. I think they spotted one or both of us a 5-mile lap at the end, and I didn't mind a bit.

Saddle Sore? YES!! But we did it.
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Old 2018-07-17, 06:56 PM   #21
monocyclism
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Originally Posted by bungeejoe View Post
Frequently, when attempting distance rides, fitness is not the end of ride factor. If you池e not in a hurry, determined, and your knees and arse complaints are not limiting your experience, you may with determination except to reach 500% of your normal activity. After learning to maximize efficiency and having worked through how to conquer the usual knee and arse plateaus plague issues I find 1000% to 2000% obtainable for myself under optimal external conditions.

I致e found if fatigued, many unicyclist usually can continue on for a long time after thinking they are totally exhausted with a little encouragement after a two minute break. If they insist on a longer break usually it becomes overwhelming for them and the ride will end soon.



If I want to train for something 釘IG I値l attempt to make a 10% to 15% steady stress gain goal. Then calculate backwards to reach 80% to 85% two weeks pior to event date to select training start date. This will usually result in an enjoyable adventure. If I attempt to exceed 15% stress loading long term I find my immunities suppessed and fight frequent sickness and illness issues.

JM
61 years, or miles! darn, is that your distance or your age? 10%, 15%.....80%... what are these figures....something that you wear on a wristband! Haha I know you Mr Bungi-J. The guy who works like a computer.....not forgetting his lovely wife who dedicates herself to your aspirations for 'long-distance' envelopes.
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Old 2018-07-24, 05:38 PM   #22
bungeejoe
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Quote:
Originally Posted by monocyclism View Post
61 years, or miles! darn, is that your distance or your age? 10%, 15%.....80%... what are these figures....something that you wear on a wristband! Haha I know you Mr Bungi-J. The guy who works like a computer.....not forgetting his lovely wife who dedicates herself to your aspirations for 'long-distance' envelopes.
Geoff

Thanks, I値l take that as a compliment.

Soon you値l need to blast forth with another record breaking distance ride or in a couple years I might finally one up you.

Maybe my nemesis has finally cooled his pedals,
JM
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