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  1. #1
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    Sizes for Mojo HD

    Hi!

    I am going to buy an Ibis Mojo HD but I have a problem. For all of us is known that Ibis' frames are short and I have asked is some forums what size should I choose according to my physical features.

    My height is 1,83 metres and the lenght from the bottom of my feet to the perineum is 88,4 cm.

    What size should I choose? I would say Large size, but I'm really not sure. What is your height and size of your Ibises Mojo HD?

    It is a very expensive bike and I don't want to mistake with its size.


    Thank you very much!

  2. #2
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    I'm 6'4" (1.93 m) and I have an XL, which works great but still feels a wee bit cramped every now and then. Kinda sounds like you're almost in between sizes, so you may be able to go either L or XL, depending on your preferred set-up and feel. I'd guess Large.

  3. #3
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    I'd go for the frame size that lets you comfortably run the shortest stem. I am 5'11 on a large - Id say you're def an XL with a 50mm-70mm stem

  4. #4
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    My height is 1,83 metres and the lenght from the bottom of my feet to the perineum is 88,4 cm

    translation please

  5. #5
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    Quote Originally Posted by Yody View Post
    My height is 1,83 metres and the lenght from the bottom of my feet to the perineum is 88,4 cm

    translation please
    6' tall, 34.8" inseam.
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  6. #6
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    Awfully long inseam for being 6' tall?

  7. #7
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    Yeah, that is a pretty long inseam for 6'. Mine is 36" at 6' 4". Another reason to go XL I'd say.

  8. #8
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    Quote Originally Posted by Betarad View Post
    Yeah, that is a pretty long inseam for 6'. Mine is 36" at 6' 4". Another reason to go XL I'd say.
    Long inseam = short torso. So I'd say Large.

    Demo if you can, you will get 50/50 answers between L and XL.

    +rep for using perineum!

  9. #9
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    Quote Originally Posted by d-bug View Post
    Long inseam = short torso.
    True that. I was just thinking about the painful knee hits to the handlebar I experience in awkward situations every so often.

    Totally agree with the demo suggestion.

  10. #10
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    Quote Originally Posted by Betarad View Post
    True that. I was just thinking about the painful knee hits to the handlebar I experience in awkward situations every so often.

    Totally agree with the demo suggestion.
    Good point, didn't even think about that. Could also mean long arms too...

  11. #11
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    Quote Originally Posted by Yody View Post
    My height is 1,83 metres and the lenght from the bottom of my feet to the perineum is 88,4 cm

    translation please
    Sorry, I come from Spain and I don't know other measures. I only use metres, centimetres, milimetres,...

    According to the "the lenght from the bottom of my feet to the perineum", I refered to the lenght of my legs. In Spain, we use this expression when we talk about cycling. By the Way, I have measured it again and it is 82-84 cm (not 88,4 cm).

    I apologize for my problems of the language...
    Last edited by Lobanovskyy; 02-19-2013 at 02:56 PM.

  12. #12
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    I am the same size as you and started of with a Large HD (160mm fork and angleset) with 50mm stem, but had to change the stem to 70mm due to the short reach and front wheel lift on the steep climbs. I have now ordered a XL frame so that I can go back to the 50mm stem and to get that extra high speed stability.

  13. #13
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    The bike shop where I'll buy it, will lend me a demo Mojo HD (Large size), so I'll be able to test it.

  14. #14
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    The move to shorter stems is offset by the move to wider bars.
    As you go wide, you can go short in the stem w/o changing the reach. Every aspect of control gets better. Unless you have narrow shoulders and T-rex arms, try 750 or wider bars. I really haven't met anyone who doesn't like them after trying them.
    You should be on a medium with a 60-70mm stem and wide bars. Buy some 780s and try them. Cut them down 20mm at a time until you love them.
    I am running the same width on my HD 140 as my DH bike.

  15. #15
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    No way should he be on a medium @ 6", like NZL62 Im 5"11 and run a large medium would be way to cramped for me, I love my L best fitting fame Ive had, hard to decide, between L lr XL come down to specification of forks setup how you ide skill level etc, more skilled riders can handle longer front and centers and longer wheel bases no problems.

  16. #16
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    Hi guys,

    Finally, last weekend I tested the demo Mojo HD (Large size) that the bikeshop lend me and definetly I have more doubts than before testing it.

    These doubts are caused because of the size. I felt a small bike and the handlebar too close to me. Besides, I had to put the seatpot close to the mark that shows the minimun insertion.

    So, I thought that maby, my size is XL but in the bikeshop they continue saying that is Large size and they thing that XL option will be too big for me. My height is 6 feet, an inseam of 34.45 inches and an arms lenght of 29.53 inches.

    What do you think about? What should I do?
    Last edited by Lobanovskyy; 03-12-2013 at 12:53 AM.

  17. #17
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    You are right on the borderline between the L and XL. How long was the stem on the L? If you were not comfortable on the L go for the XL and run a short stem.

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    Hi i have a same questions

    recommend that size for 1.86m (6.1023622ft) L or XL???



    Thanks

  19. #19
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    If you like more XC go XL if you would like to go bike park way take L.

  20. #20
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    i am 1,85m/91cm (6.1/35.8) and i am riding a XL frame.
    the mojo hd doesnt feel a little bit smaller than other bikes at the same size but i am very happy.
    before that i had a large nomad which was to small and a XL nomad which was right but not as good as the XL HD.
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  21. #21
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    Quote Originally Posted by Salespunk View Post
    You are right on the borderline between the L and XL. How long was the stem on the L? If you were not comfortable on the L go for the XL and run a short stem.
    Hi, the stem's lenght of the Mojo HD (size L) I tested was 90 mm. I think a longer stem is awful...

    In the bikeshop there was three shop assistants and all of them suggested me to choose L size and they say that the next size won't be easy to use. Other day, the sales manager of Ibis Spain was in the bikeshop and he also suggested me L size and said that the XL size will be to big for me. Besides, I send an e-mail to Ibis (USA) and they suggested me that, according to my measures, the best option is L size.

    If I had to choose a size without testing the two options, I would choose L size. But I have tested the L size and I'm not sure about it. I don't know if is better to choose a XL size and use a short stem or to choose a L size and use a large one.

    In this picture you can see to me on the demo bike (remember, L size). My knees was close to the handlebar and the seatpost sticked out close to its mark of minimum insertion. What do you think about it? It seems a bit small for me, doesn't it?

    Sizes for Mojo HD-ibis-l.jpg
    Last edited by Lobanovskyy; 03-19-2013 at 12:26 AM.

  22. #22
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    Here's a good fit calculator:

    Fit Calcualtor

    It has been pretty spot on for my last 3 bikes. Give it a try and see if it makes your choice a little bit clearer.
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  23. #23
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    Looking at the photo I'd say XL for sure. That bike looks tiny under you! And it you're already feeling cramped with a 90mm stem, then you have no room for adjustment. Forget what the bike store people are saying and listen to what your own experience is telling you: go XL!

    I have an XL HD and a XL mojo classic, and they feel very similar for cockpit sizing. Does your bike shop have an XL classic, SL, or SLR? That would give you a real-world basis for comparison.
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  24. #24
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    Quote Originally Posted by Lobanovskyy View Post
    Hi, the stem's lenght of the Mojo HD (size L) I tested was 90 mm. I think a longer stem is awful...

    Click image for larger version. 

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    if it was myself Id definitely be going XL, but I know what I like, longer wheelbases and short stems, still way too much post extended and too short a cockpit in that pic,looks like a medium frame its that small.

    LBS and most manufactures still play it safe with old school bike setup, totally agree with Budgie.

  25. #25
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    Hi,

    I continue with the doubts concerning to sizing. If you don't mind, I would like to ask you a triple question:

    1) Your height and inseam
    2) The size of the Ibis Mojo HD you ride
    3) The lenght of the stem you are using


    Thank you very much.

  26. #26
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    Quote Originally Posted by Lobanovskyy View Post
    Hi,

    I continue with the doubts concerning to sizing. If you don't mind, I would like to ask you a triple question:

    1) Your height and inseam
    2) The size of the Ibis Mojo HD you ride
    3) The lenght of the stem you are using


    Thank you very much.
    Not sure if you are asking me, but more info the merrier huh

    Height-5'11"
    Inseam-31"
    I have a fairly long reach arm wise
    Large HD
    175mm cranks, 168q
    50mm stem 0 deg
    Bar 760mm
    Bar width is important as this also gives a longer effective reach

    Looking at your arms, add some bend, this will bring you even further fwd you cant ride with arms locked out, well ya can but not well lol.
    Look at where your feet are on the pedals with shoes you will gain a bit more inseam and also your foot esspecailly if using spds/clipped in will be further back also cramping the cockpit of that bike in shot.

    An XL will def give you more options.

  27. #27
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    H = 6' 4", I = 34", XL Mojo, 90mm stem.

    The best advice is a few posts back - if you're mostly riding xc, go with XL. If you're more into hucking and the bike park stuff, the more compact L may be better.

  28. #28
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    Maverick005, the triple question is for everybody who want to answer...

    Betarad, in the bikeshop the shop assistant said to me the same than you: if I prefer XC, XL better and if I prefer descending, L size.

    But according to my measures (6' 34.45"), he suggested me L size because he thought that XL will be too big for me and the bike wouldn't be easy to use in curves and technical trails.

    I don't practise downhill and I don't go to bike parks but what I like to do is descending through tight trails. Besides, sometimes I ride with people who likes practising XC. To sum up, I do everything less extreme descending.
    Last edited by Lobanovskyy; 03-19-2013 at 11:38 AM.

  29. #29
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    Quote Originally Posted by Lobanovskyy View Post
    Maverick005, the triple question is for everybody who want to answer...

    Betarad, in the bikeshop the shop assistant said to me the same than you: if I prefer XC, XL better and if I prefer descending, L size.

    But according to my measures (6' 34.45"), he suggested me L size because he thought that XL will be too big for me and the bike wouldn't be easy to use in curves and technical trails.

    I don't practise downhill and I don't go to bike parks but what I like to do is descending through tight trails. Besides, sometimes I ride with people who likes practising XC. To sum up, I do everything less extreme descending.

    Sweet.

    Im basing my rec on a number of things you have already stated throught the thread.

    1: The picture, L with 90mm stem, still looks to small to me.
    HD imo should have nowhere near a 90mm stem, if anyone wants a 90mm on an HD they really should be on another frame. People will do what people do though. Thats like sticking a square peg in a round hole.

    2: Youve already demoed that bike? Right and it still felt to small, you have basically already answered your own questions.

    3: the HD has a pretty average length wheelbase, even in XL with a 160mm fork its only 45.5" this is not long, many other brands mediums run this for a 160mm travel bike nowadays.

    5: what of any, was your last bike and setup, also post a picture if you have one with the same side view.
    The HD is a pretty easy bike to ride and the GEO is not extreme, but it has extreme capabilities. So this would not concern me unless you're reach was not correct to begin with.

    6: also ask look at the bike setups of your LBS riders have, that can tell you allot about the kind of advice you're getting.
    If it was my shop no way would I have a 90mm stem sitting on they're or even suggest one let alone mount one.

    I will stand by my recommendation looking at your picture, that XL in an Ibis HD is right for you, but we can only tell so much end of the day only you can make that decision.

    Fwiw, I research sizes and geos to the cows come home before I decide as well, I always start with large but that doesn't mean I will be a large from each manufacturer or type of frame.

    Theyre is nothing worse than being on too shorter a bike.

  30. #30
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    Thank you for your explanation, Maverick005.

    Different people are suggesting me about choosing XL size, according to the last picture...

    However, if my height is 6 feet (I'm not very very tall) and I need a XL frame, people really tall won't be able to aspire to this bike.

    Last weekend I met with an owner of a Mojo HD (L size too) and he lent me his bike. I don't know why, but I felt more comfortable in his bike and apparently the frame were the same. And it was a surprise for me because its stem was shorter (50 mm!!!). Remember that the stem of the white demo Mojo HD I tested was 90 mm and L size too...

    I think it could be because this new Mojo HD had an angleset (1 degree) so the wheelbase was longer than the other one. I don't know if it was the reason but I really felt more comfortable.

    Next, I show you two pics: one is the same that I showed you some days ago (me on the white Mojo HD) and the other pic show me on the other Mojo HD I rode last weekend, in order to make comparisions... What do you think about the two pics?

    Sizes for Mojo HD-ibis-l.jpg
    Sizes for Mojo HD-ibis-1.jpg
    Sizes for Mojo HD-ibis-3.jpg
    Attached Thumbnails Attached Thumbnails Sizes for Mojo HD-ibis-2.jpg  

    Last edited by Lobanovskyy; 03-20-2013 at 11:11 AM.

  31. #31
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    FWIW,
    I am 6'1" and wear 34" pants, which I have no idea how that translates into inseam length.
    I got a Mojo 4 years ago, and went with an XL because that's what I thought would be best on paper, and because the LBS recommended it; at the time Ibis recommended I go with a L. The XL felt good and I loved it.
    2 years later I got an HD, and also went XL, which also felt good. But in corners I felt the front wheel was a little far ahead, so I had a hard time cornering good on it.
    I was running a 60mm stem on the HD, and even tried a 45mm for a while. Cockpit/reach was NEVER an issue, it was always a handling problem for me.

    I had a problem with the front triangle and got a change to swap down to a L. I will never go back to an XL. I now run a 70mm stem on the HD, and it handles far better than the XL ever did for me.
    I eventually swapped the frame of the Mojo down to a L and like it much better as well.

    Bottom line, the only one to make the call is going to be you. What works for one does not work for another. I say go L because of my experience and how I like to ride. I love downhill far more than uphill, but I'll take my HD on 30+ mile XC rides.

    I would happily throw a 90mm stem on an HD and look like a goober than have a bike with a short stem that handles poorly.

  32. #32
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    6'-1", 33" inseam. I think I'm longish in the torso, whatever that means. Like d-bug, I have both an HD and a classic (but unlike d-bug I prefer to ride a properly fitting bike {couldn't resist...just pulling your leg, d-}).

    Mojo HD XL: 55mm stem, 10mm spacers, 725 or 740mm bars, straight seatpost, saddle ~10-15mm forward
    Mojo C XL: 70mm stem, no spacers, 725mm bars, straight seatpost, saddle centered

    I'll say again, find a Mojo C, SL, or SL-R in the XL size and give it a try. Very similar sizing, just different angles and 1" shorter wheelbase relative to HD in equivalent size.
    Last edited by budgie; 03-19-2013 at 03:09 PM.
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  33. #33
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    Judging from the picture you should go with the XL Frame for general riding. Unless you're going to be doing a lot of DJ.

  34. #34
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    Quote Originally Posted by budgie View Post
    6'-1", 33" inseam. I think I'm longish in the torso, whatever that means. Like d-bug, I have both an HD and a classic (but unlike d-bug I prefer to ride a properly fitting bike {couldn't resist...just pulling your leg, d-}).

    .
    My leg has been pulled!
    Next Yody will hop on here and say something about riding a L would be like riding a clown bike

  35. #35
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    I'm 6'2" with a 34" inseam, weigh 180 and ride a XL with a 70mm stem and 750mm Bars and still feel a bit cramped. You should not be riding a bike as a trail bike where you knees bang the bars everytime you stand out of the saddle to climb. As well you should not have to have a huge amount of seatpost showing, or a bunch of spacers under the stem. In my opinion an XL will suit you the best. If you need a tiny clown bike ( there you go Dan ) to make up for not knowing how to handle a correctly sized bike or ride mostly DH than go with the Large . I've been asked if I'm riding a medium before, nobody ever believes i'm on a XL. Bike looks that small.
    Last edited by Yody; 03-19-2013 at 09:48 PM.

  36. #36
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    5'11" rider here. I ride the large HD with a 70mm.
    I think my inseam is 33".
    If I was any bigger I would go with the XL.
    I think my height is 1.80m in metric.

  37. #37
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    Quote Originally Posted by Lobanovskyy View Post
    Hi,

    I continue with the doubts concerning to sizing. If you don't mind, I would like to ask you a triple question:

    1) Your height and inseam
    2) The size of the Ibis Mojo HD you ride
    3) The lenght of the stem you are using


    Thank you very much.
    That bike is way to small for you judging from the photo, I am 5'11 with 32 inseam and run a large with 50mm stem and it fits like a glove.
    I would demo a xl with 50-70mm stem and go from there.

    Super Unknown

  38. #38
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    By the way, in this and others threads related to Ibis, I have read "LBS" but I don't know what does it mean. Anybody who help me?


    Thanks.

  39. #39
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    Local Bike Shop

  40. #40
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    Quote Originally Posted by d3toid View Post
    Local Bike Shop
    Thanks.

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