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  1. #1
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    Tall guys like 650B

    In the market for a new bike and have enjoyed my test runs on 29ner. All set to purchases but see a lot of new bikes with 650B coming out. I have not been able to test a 650B but I am curious if anyone ~6'2 likes the 650B size over a 29ner? Thanks

  2. #2
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    I'm 6'-1" and going from a hardtail 29er to a 650b full suspension was great, easier to move around, etc. But I'll probably get another hardtail 29er for racing/training.
    Hardrock 29er, Niner EMD9, Cannondale F29, Camber Expert, 650b Nickel all gone.
    2014 Giant Anthem 27.5 here.

  3. #3
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    madsedan .............that's funny cause I also went to a full suspension 650b from a 26er hardtail,,,,,,,not looking back ! but my killer b is a slug on the street was considering a 29ht with a roadbke gearing or something like that
    Ride hard everytime....or take up hiking...........lol

  4. #4
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    I'm 6'4, and on demos of 2 650b bikes I could not tell a difference vs 26" wheels, even on the same bike. Which makes sense given how close the wheel sizes are - it's like putting quarters under your heels and asking if anyone notices how much taller you are.

    Basically 650 gives you none of the advantages of 29er, with less parts availability than 26 or 29. The whole concept is totally driven by the industry's need for a new big thing every year or 2, and they've done both axles, head tubes and bottom brackets recently enough that we won't tolerate another change.

  5. #5
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    Quote Originally Posted by Joules View Post

    Basically 650 gives you none of the advantages of 29er, with less parts availability than 26 or 29. The whole concept is totally driven by the industry's need for a new big thing every year or 2, and they've done both axles, head tubes and bottom brackets recently enough that we won't tolerate another change.
    Thats a bit of an exaggeration, the 650s do have more of the rolling advantage over a 26 and are a nice middle ground choice. Two good uses of a 650 are AM bikes with a crap ton of travel and smaller bikes for smaller riders who just cant effectively maneuver a 29.

    To each his own and all, but OP imo unless you want 6+ inches of travel a 29 is more suited to a big guy.
    "Bigring, that's deep. ...Well, I suspect it is. I didn't read it."

  6. #6
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    Quote Originally Posted by BigRingGrinder View Post
    but OP imo unless you want 6+ inches of travel a 29 is more suited to a big guy.
    I read that all the time, why is that? Is it difficult to put 6" of travel on a 29?

    Why do folks say a 650B is closer in size to a 26 then 29? I take it that the diameter is not really 27.5?

    Thanks

  7. #7
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    Quote Originally Posted by bob_m View Post

    Why do folks say a 650B is closer in size to a 26 then 29? I take it that the diameter is not really 27.5?

    Thanks
    short answer is because it is closer to 26. Bead seat diameter is an actual measurement (as opposed to 26, 29 etc, which are nominal - you'll never see a 26" tire that's actually 26", mine are around 27)

    26" = 559mm
    650 = 584mm
    29 = 622mm

    so 650 is less than an inch larger than 26, which is in reality larger than 26" on any modern mtb tire. 29" rims are 38mm larger than 650. So the compromise size doesn't split the difference, it's closer to 26.

    As travel increases, so does chainstay length, which has the wheel radius as an absolute minimum. So far no one has been able to get more than about 5.5" of travel and keep chainstays at an acceptable length. IMO this is the only real drawback to 29ers; they just have to be longer than a similar 26er.

    The 125mm and over 29ers I've ridden, I've never thought "I wish this had more travel"... If 26" didn't already exist, sure 650 has some merit, but tossing out basically all the existing wheels, forks tires and frames to get a really, really nominal advantage, which it's unlikely you'd ever notice (unless you just dropped a bunch of money on a bike; you know how you notice how it does everything better than anything you ever rode before and aren't just trying to justify a purchase).

  8. #8
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    Lenz PBJ has 7 inches rear travel and still pretty decent chainstays...

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