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  • #16
    Re: Re: Production KH24 photos

    Originally posted by Jason
    "Frank A." wrote:

    > The new hub/axle seems really tough, it would be nice to have the
    > option of putting a Profile hub on the frame just in case.



    Greetings,

    I'm still struggling (internally) on whether to purchase the lower
    end KH24 or a Yuni/Profile uni. I think honestly that the KH24 is a
    better buy for the money. However, my concern is maintenance and parts
    availability.

    The bearings for the KH24 (as described at uni.com) are supposed to be
    20mmX42mm and are not for sale on their site. I don't see any KH24
    splined cranks for sale either. What would happen if you were to bend or
    break a crank? I 'was' thinking that worst case scenario would be to
    replace the sheelset with a Profile one, now that's not looking like an
    option. Hmmmmm...


    Comments ???



    Jason
    Bearing size, among other things, was one of the main challenges on this thing. I have to admit that I strongly wanted them to use 40mm bearings, not 42mm, due to compatibility issues with other hubs. However, because they were not able to source a 20mm ID/40mm OD bearing, it will come with 42mm. In the long run this may actually be a good thing, as other large diameter (such as ISIS) axle/hubs become available, that may work better with the 42mm size as well.

    Replacement axles will hopefully also be available soon at Unicycle.com. I've been away travelling for 5 months and was totally out of the loop, but am now back and will be working on this and a few other new uni products.

    Cheers,

    Kris.

    Comment


    • #17
      Re: Re: Re: Production KH24 photos

      One other thing: You can use Profile hubs with the production KH24 unicycle- you just have to put a shim in there. This isn't a big deal, and I'll see if I can make custom shims available. Otherwise aluminum cans cut to size will work.

      -Kris.

      Comment


      • #18
        Will unicycle.com (or any other retailers) be selling just the frame?
        I am curious, because i already have a nice wheel, and that frame would complement it nicely.
        Thanks,

        -Ryan
        "Yeah, Gravity is bad" Leo Kottke

        Comment


        • #19
          The bearings are available from McMaster-Carr in a precision double sealed or double shielded version for about $20 each. Any bearing distributor will have these at a low price. The 20mm x 42mm size is 6004. I would be more concerned about the KH parts.
          Last edited by harper; 2003-01-06, 11:40 PM.
          -Greg Harper

          Nipples...do you ever have enough?

          Change is good. Bills are better.

          Comment


          • #20
            Bearings

            I called a local bearing distributor today and learned a few things about the bearings we're using on our unicycles. The common bearing that most unicycles are using these days is a 6203. This is a metric bearing with a STANDARD size of 40mm o.d. x 17mm i.d. That's the bearing that is used on a Suzue hub. However, this particular bearing is also available with three different inch series bores as designated by a dash and number after 6203. The number after the dash is the number of 1/16ths of an inch of the bore.

            For instance, the bearing I'm holding in my hand right now is numbered 6203-12. It is 40mm o.d. x 12/16" i.d. - or .750 inch bore. A 6203-10 would be 40mm o.d. x 10/16" i.d. - or .625 inch bore. A 6203-8 is also available which would have a .500" bore.

            Unfortunately in the case of the 6004 42mm x 20mm bearing, an inch series bore is not available.

            Steve Howard

            Comment


            • #21
              I should add that the bearings typically used with Profile hubs and axles are NOT metric, but rather an inch series bearing. They are 1 5/8" o.d. x 3/4" i.d. and 7/16" wide. The designation for this bearing is R12.

              Steve Howard

              Comment


              • #22
                Jason:

                I really don't see how you can go wrong with the KH24. I've got a 26" Hunter frame with a Profile wheel, which I have ridden hard and love. But the trails closest to my home are very technical and tough, I wanted a 24" set up to get around a bit better in the rough stuff and I didn't have an extra grand laying around. Yes, I upgraded a few things but the heart of the unicycle is the wheel and frame. In this respect the cycle has been everything I'd hoped it would be.

                Honestly, would you ever have imagined that you could get this much unicycle for the price? Don't get me wrong, I absolutely love my Hunter/Profile, but it also cost me twice the price of the KH.
                "Man's maturity: to have regained the seriousness that he had as a child at play." - FRIEDRICH NIETZSCHE, Beyond Good and Evil

                Comment


                • #23
                  Re: Production KH24 photos

                  "Frank A." wrote:

                  > But the trails closest to my home are very technical and tough...


                  Hello Frank,

                  Thanks for the reply and nice post/pics of your uni. I like the
                  upgrades. Are your cranks 170mm? They look shorter to me in the image.

                  The conditions in which I prefer and often ride are also technical
                  wooded areas with bumps, branches etc. Although, I do have some interest
                  in downhill which is one of my motivations for the KH24 setup- the brake
                  option. Do you use the brake on technical rides?

                  > Honestly, would you ever have imagined that you could get this much
                  > unicycle for the price?


                  As I stated earlier I think the KH24 is a better buy for the money, the
                  caveat for me is whether or not broken parts can easily be replaced.
                  Kris H. (danger_uni) addressed this issue when he stated that some
                  replacement parts may soon be available. He also addressed the
                  bearing/wheelset issue (shims). I feel allot better knowing that I can
                  replace the wheelset if necessary.

                  I'll probably never bend or break a crank or a hub due to my limited
                  skills and style of riding, but you just never know... they might start
                  to rust up here during our Alaska winters.

                  The next conundrum...
                  How can I get unicycle.com _NOT_ to put (yet another) unicycle.com
                  sticker on my next uni. I have four unicycles now, 2 unicycle.com
                  stickers per, which is 8 unicycle.com stickers. I feel like a one wheel
                  mobile billboard. Does anyone know if they will leave the stickers off
                  upon request?

                  If someone asks where I purchased my unicycle, I can happily tell
                  them... (unicycle.com)





                  Cheers,

                  Jason

                  Comment


                  • #24
                    .com stickers

                    lighter fluid works good for getting those stickers off.
                    --------------------------------------
                    twitter> @shotofjagur

                    Comment


                    • #25
                      Jason, I think the likelihood of even a hard-core rider breaking those cranks is pretty low. I know they aren't quite profile and they have yet to face the time-will-tell test, but the point of the splined crankset is that they are close to the unbreakable side of things. I don't know anything about rust, and I guess if you want shorter cranks, that's something else, too.

                      I'm sure unicycle.com would gladly exclude the sticker upon request. Even if they don't, I recently peeled three Pashley stickers and two unicycle.com stickers off of my Muni without any trouble.
                      Intellectual brilliance is no guarantee against being dead wrong.

                      -Carl Sagan

                      Comment


                      • #26
                        How can I get unicycle.com _NOT_ to put (yet another) unicycle.com
                        sticker on my next uni. I have four unicycles now, 2 unicycle.com
                        stickers per, which is 8 unicycle.com stickers. I feel like a one wheel
                        mobile billboard. Does anyone know if they will leave the stickers off
                        upon request?
                        This is one of my pet peevs too. I hate being a moble billboard without doing it on my own free will. I proudly display a uni.com bumpersticker on my snowboard, and have profile and other companies stickers on my helmit.

                        Unicyclist.com is getting excessive with the stickers too, my friends last uni had 3 stickers on it 1 on each inside part of the fork, 1 on the seat post tube. I havent asked them to leave the stickers off of any of my orders, but hopefully they will. Like you I gladly refer people to their company all the time, but just dont like stickers on my frame.

                        Mike
                        No one said it was gonna be easy and I'm not afraid to try, with the odds stacked up against me I will have to fight, One Life One Wheel got to do it right. H2O


                        -------MUNI MILITIA -------
                        One Wheeled Death Squad

                        Comment


                        • #27
                          Jason wrote:

                          "The next conundrum...
                          How can I get unicycle.com _NOT_ to put (yet another) unicycle.com
                          sticker on my next uni. I have four unicycles now, 2 unicycle.com
                          stickers per, which is 8 unicycle.com stickers. I feel like a one wheel
                          mobile billboard. Does anyone know if they will leave the stickers off
                          upon request?"


                          As far as the Uni.com stickers go, just get your fingernail under a corner as soon as you get the unicycle and peel them off gently, they come right off and don't leave much in the way of residue either. What little may be there rubs right off with a finger.
                          I love Uni.com but I don't like the stickers all over either.

                          Yes, the cranks are 170's.

                          I only use the brake on descents. I took the brakes off of my Hunter a while ago to see if I missed them and I did, I put them back on before the next ride. We don't have anything here that even resembles mountains, but the trails have very steep descents and they help alot. Both of my MUnis have brakes.

                          I'm not a trials guy so I don't go looking for big drops and jumps. I take the drops I need to to clean the line on the trail. I'm a fairly big guy, 6' tall, 190lbs. and I'm not worried about breaking anything.
                          I really don't think you can go wrong.
                          "Man's maturity: to have regained the seriousness that he had as a child at play." - FRIEDRICH NIETZSCHE, Beyond Good and Evil

                          Comment


                          • #28
                            Originally posted by Checkernuts

                            This is one of my pet peevs too. I hate being a moble billboard without doing it on my own free will.
                            Just ask- my last frame came naked, at my request. They like you being their customer and will do this without a hassle. If it makes you feel more comfortable, explain that you're going to have the frame painted.

                            -Christopher
                            "Jeeeezus! I can be misunderstood enough all by myself" -Uni57

                            "Jesus would love you if he were real."
                            -Catboy

                            "Could someone please pass the brain soap?"
                            -Jethro

                            Comment


                            • #29
                              just another note on bearings.

                              i noticed that the Summit Trials uni uses 20x41mm bearing so it would seem that there are now 4 sizes to be aware of.
                              --------------------------------------
                              twitter> @shotofjagur

                              Comment


                              • #30
                                don't you just love standardisation?
                                --
                                evilewan.

                                see the outdated but still usefull rec.sport.unicycling maintainance FAQ @ http://evilewan.unicyclist.com/

                                Comment

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