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  • 26 or 29 and type to buy?

    60 years old, retired, was on CL a couple weeks ago and saw a 20" uni and bought it ($15). Been almost 50 years since I rode one, but on the second try was ridding again.
    Now looking for a larger wheel to ride on the street (2-3 mile trips) and some easier trails. 5'-9", 160lbs
    Any advice on wheel size (thinking 26 or 29), crank length (thinking 127 range) and type of Uni (like to keep it under $400)? Also, any issues with the multiple crank length cranks (the ones with 2 or 3 set of pedal holes)?
    Thanks

  • #2
    There is also 27.5 inch. This size is taking over from 26 (in cycling too) and considered by many to be the Goldilocks size for Muni. 125/150 cranks are a good match for the wheel. Unfortunately you are unlikely to get one for $400.

    Unicycles today are a lot better than they were in the 1970s. Ideally you want one with ISIS cranks which is the main interface used on quality unis. They have brakes now too. Hydraulic even, for rim or disc.

    If you get the bug you may well find yourself doing a lot more than a couple of miles on a bigger wheel. And more wheels. I remember when I thought nine would be enough and I now have eighteen.

    It is hard to have just one wheel for all purposes. Changing tyres is too much trouble so you tend to stick with one. I have a 26 with a road wheel and a muni wheel. Literally takes a couple of minutes to swap but I recently bought a 27.5 uni exclusively for muni.
    Last edited by OneTrackMind; 2019-03-17, 09:48 AM.
    Triton 36" + 29" | KH 29" | KH 26" | KH 27.5" Muni | Nimbus eSport Race 24" | Torker LX 24" | Qu-Ax Luxus 20" | Qu-Ax Profi 20" | KH / Impact 19" hybrid

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    • #3
      Thanks. Looking on line I saw the brake systems, and figured the ISIS would be best too and kind of had my eye on the 27.5" Nimbus Green Monster . Are the brakes hard to get use too and that helpful if not going down that many hills? What would you recommend for over $400?

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      • #4
        The differences are smaller than you think. 29" is only 11% more than 26".

        If you cruise at around 8 mph, that translates into less than 1mph difference.

        The difference in height is related to the radius which is only half the diameter. That means the 29er seat is about 1.5 inches further off the ground than the 26er seat.

        Dual hole cranks with 150/125 or similar are a good option. I've tried most sizes from about 90mm to 170mm over the years and have stabilised at 150 for optimal torque or 125 for versatility.

        You can't go wrong with a 29 from any of the main manufacturers. All my current main unis are KH, but I've been happy with Nimbuses in the past. Neither will let you down.

        I've owned all the main sizes from 20 to 36. I'm 56 years old. I find the 29 is the most versatile all round uni for on and off road.

        If I want to ride anything rough, I step right down to 24", and if I want to go far and fast, I step right up to 36. I sold my 26 as it did not add anything to my options.

        Realistically, you will have as much fun, more or less as much speed, and as much versatility, on a 26 as on a 29 or a 27.5 once you've found the optimal crank length.

        Weight, storage space, and tyre availability may be more important considerations.

        Caveat: all tyre sizes are nominal, so a 29 is not exactly 3 inches/11% bigger than a 26.
        My first novel, Bridge of Otherwhere, Michael Wilkinson, on Kindle. A tale of subtle magic, mystery, friendship and love. Tinyurl.com/Bridge-of-Otherwhere For US$ page: TinyURL.com/OtherwhereBridge

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        • #5
          Originally posted by Mikefule View Post
          Caveat: all tyre sizes are nominal, so a 29 is not exactly 3 inches/11% bigger than a 26.
          I have thought that since the 27.5ers are a plus tire, it would probably measure 29"-30"?
          24"X5'4" giraffe made from child's bike
          24"X7' giraffe made from 1/2" conduit
          24" URC fatty
          32" Nimbus Oracle

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          • #6
            Brakes: easy to learn and even when you don't strictly need them, they can make all your decelerating on your rides just more comfortable - when you go downhill, when you go fast or when using shorter cranks.

            Multi-hole cranks: no issues, they're just great.

            Wheel size: yeah, 27.5 inch or 29 inch.

            Crank length: Unless you feel particularly unathletic, I wouldn't recommend you to go longer than 137mm. If you feel rather dexterous, you can choose 125mm.

            One day you might get to appreciate the fast and smooth rides that 117mm or 114mm can provide, but don't start with that length.

            Nimbus 27.5" Green Monster: good choice. You can ask your dealer to deliver it with a different pair of cranks. Mind that its hub doesn't allow you to add a disc brake rotor later.

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            • #7
              I own the following unicycles:

              Equinox 19" Trials
              24" muni with Impact frame (32mm bearings)
              26" Oracle
              26" Schlumpf Guni
              29" Drak frame converted to Muni

              Of those sizes, the 29" is my least favorite, and I shipped it to the Midwest where we vacation. I have put the most miles and replaced the most broken parts on the 26" Oracle. If I could only have had one unicycle, I suppose the 19" trials would have to be it, because without it I wouldn't have learned most of my skills. Of all my unis, however, the one that fits me the best and feels completely "dialed in" is my 24". That's partly because it's assembled from a bunch of good parts, is the most lightweight of all my unicycles and because there are a bunch of crazy steep hills in my neighborhood that I can just barely ride on it.

              You might think: A 24" is only 20% faster than a 20". True. If you want to ride only a few miles, how fast do you need to ride? You're probably a pretty healthy 60 year old, but falling off a bigger wheel means falling farther down and falling faster. I took a long ride on my 26" geared uni yesterday. Sometimes, when I was in high gear, I knew I wouldn't be running out a UPD. Luckily, that didn't happen.

              Mounting a 24" is easier. A true static mount, the way I think about it, has no forward momentum of the wheel, no roll-back, no jump, can be performed slowly and into a momentary still-stand. The smaller the wheel, the easier it is for my to perform a static mount. A lot of riders struggle with mounting on larger wheels, and that may result in riding styles where dismounts are avoided. I think riding is more fun, however, when we can UPD without too much fear and re-mount without too much effort/frustration.

              Those are just some reasons to consider a 24" as your next unicycle. It's easier, IMO, to build skills on smaller wheels, then transfer those skills to larger wheels.

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              • #8
                Size does matter a lot, even if it's "only" 10%. I ended up with one or two of each of the sizes from 19" to 29", and they all have a different feel to them.

                Big wheels have a lot more inertia, so they roll smoother, but are a lot harder to manipulate if you want to do anything but roll along smoothly. Inertia is basically proportional to size cubed (*), so it increases faster than you would expect.

                Anyway anything from 26" to 29" is probably fine. We're adaptable creatures and learn to love what we ride. ISIS is better, and I would get a brake.

                --
                (*) inertia of a given mass is proportional to the wheel size squared, but mass also increases with wheel size, so it ends up being size cubed.

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                • #9
                  Originally posted by MrImpossible View Post
                  Big wheels have a lot more inertia, so they roll smoother, but are a lot harder to manipulate if you want to do anything but roll along smoothly.
                  That is why I never bought a 36er. Rolling along smoothly is not my idea of a fun time. And my neighborhood is too hilly. Even for my less-than-36" unicycles, rotating mass is something I can't stand. I transitioned to a lighter tire running at higher pressure on my 24" and 26" muni (Schwalbe Smart Sam 2.1"). My 29" started out as a Nimbus "Road" unicycle. It has a heavier wheel set, which makes it feel sluggish due to the combination of rotating mass and longer travel. To the OP, I suggest, if you're getting a 29er, spend more and get a lighter-weight setup.

                  As a beginner, it took me 6 weeks to ride 1/4 mile without dismount. I was obsessed with the idea of riding longer distances. So I got a 29". But I ended up becoming less interested in distance for distance sake and more interested in skills, hill-climbing, riding off-the-beaten-path, choosing my lines, etc.

                  29" has been described as the best of both worlds between cruising and muni. I think of it as the worst of both worlds.

                  I love the brake on my 26". My 24" has no brake, but riding down hills on the smaller size bothers me less. Brakes are awesome, but they are also another skill that needs to be learned. Don't expect to like it at the beginning. In order to use the brake correctly, you'll have to learn other compensatory skills to keep you from flying off the front every time you touch the brake lever. But that's okay, because you didn't choose unicycle because it is easy!

                  Good luck!

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                  • #10
                    Thanks guys!!! Glad, and surprised, to see so many close to my age on the road.

                    Being a retired engineer, ex-bicycle road racer and mechanic (when young, many decades ago), I understand all mechanics/physics you all bought up. Just did not know how they actually feel in the seat.

                    I can see a lot is individual preference. But one thing all had in common is, I will be needing more than one more uni (besides my 20" to work on skills mostly) to do it right. So with that, I am throwing my $400 budget out the window.

                    One reason I thought of going back to a Uni was for my dog (she does almost everything with me). She can not keep up with the bike (and I hate riding slow) and I hate running (unless there is a soccer ball in front of me). So we went for a 2 mile ride on the 20 at pace and she sure could have gone a fair amount faster. I think I was more tired than her. And no steep road hills nearby, so maybe a 29" would be they way to go there for my next purchase. Then as my skills improve, go for a Muni with a brake. But will see what size after I get the larger uni and how it feels.

                    Got paved roads out my front door and trails out my back door....2 doors=2 more uni's, I guess.

                    Again, thanks. All your input was helpful........just costly$$

                    Happy riding!!!

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                    • #11
                      Originally posted by Matt B View Post
                      Are the brakes hard to get use too and that helpful if not going down that many hills?
                      The brake is also known as the eject lever.

                      It takes quite a bit of skill to use a brake well. You need to lean the uni back and use your weight to counter the reaction. Start by gently applying at the top of a small hill after going into to retarding pedalling.

                      Letting it off can be just as disruptive as applying it. The first time I used a brake I convinced myself it wasn't doing anything until the uni flew out from under me when I let it off.
                      Triton 36" + 29" | KH 29" | KH 26" | KH 27.5" Muni | Nimbus eSport Race 24" | Torker LX 24" | Qu-Ax Luxus 20" | Qu-Ax Profi 20" | KH / Impact 19" hybrid

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                      • #12
                        Originally posted by Matt B View Post
                        I can see a lot is individual preference. But one thing all had in common is, I will be needing more than one more uni (besides my 20" to work on skills mostly) to do it right. So with that, I am throwing my $400 budget out the window.
                        I know a lot of unicyclists that are perfectly happy with just one unicycle. And they are both happy, and better at unicycling than 95% of this forum. I'm not sure what: "doing it right" is in your mind, but I'd say they are "doing it right". Nothing wrong with having multiple unicycles either, but I recommend adding them slowly, and when you are sure you need them.
                        In the beginning the Universe was created. This has made a lot of people very angry and been widely regarded as a bad move. -Douglas Adams.

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                        • #13
                          Originally posted by Matt B View Post
                          Again, thanks. All your input was helpful........just costly$$
                          I'll throw this out as a budget-friendly option: The unicycle I've ridden the most is very close to the UDC Trainer 29", shorter cranks being the main difference. Square-taper cranks and stamped bearing housings haven't been a problem in five years of steady use and you'll never run out of tires to try on a normal width 700c rim.

                          I've also got a 36" which is its own thing but the 29" is more nimble for navigating on and off sidewalks, around pedestrians, etc. Dismounts/remounts are also less fatiguing and anxiety producing. 8-10 mph on pavement is a breeze and unpaved trails are more fun than I expected, more of a challenge than they would be with a muni but the challenge is really what it's about.

                          And yeah, you'll need at least one more. You'll always need at least one more.
                          Last edited by LargeEddie; 2019-03-19, 09:19 AM. Reason: Grammar

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                          • #14
                            Originally posted by finnspin View Post
                            Nothing wrong with having multiple unicycles either, but I recommend adding them slowly, and when you are sure you need them.
                            When I browse the municycle.com website and I see a cool unicycle, it starts itching and like a child I can't wait to have it in my collection.

                            But now after 4 years of unicycling and 10 uni's ahead, I found the the 29" inch Nimbus is my most favourite and I will ride it nearly every week. The ultimate wheel, 20" freestyle and 20" freewheel uni's are just gathering dust. The seat on the hatchet is very very uncomfortable and I find it heavy to ride, so I only try it out every so many months, because it just looks wicked. Based on this I decided not to buy a 24", which I would only buy for competitions. Soon there will be the Dutch Uni Championship and I've decided to only do the 10km race for which I can use the a uni I already have. I have no goal to win any competition and ride only for fun.

                            Nevertheless to find out which wheel size fits you best, you do need to try most of them and spend a lot of money

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                            • #15
                              Originally posted by LargeEddie View Post
                              And yeah, you'll need at least one more. You'll always need at least one more.
                              The formula for the perfect number of unicycles is n + 1 where n is the number of unicycles you have.

                              Best not rush and keep an eye out for second hand deals. Unicycles is a buyer's market and really special ones do come up occasionally, like my Triton. I only bought one new, the eSport.
                              Triton 36" + 29" | KH 29" | KH 26" | KH 27.5" Muni | Nimbus eSport Race 24" | Torker LX 24" | Qu-Ax Luxus 20" | Qu-Ax Profi 20" | KH / Impact 19" hybrid

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