Fatbike sizing dilemma- Mtbr.com
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  1. #1
    mtbr member
    Join Date
    Apr 2008
    If you plan on riding in snow/mud, err on the smaller side. You'll want the extra standover when your feet sink into the ground.
    Disclaimer: www.paramountfargo.com

  2. #2
    mtbr member
    Join Date
    Feb 2007

    Fatbike sizing dilemma

    Hi all. Pretty new to the world of fat bikes so bear with me.
    Looking to pull the trigger on a Moonlander but can't decide between the 18" or 20".
    I already own 18" Jabberwocky which is dialed for me. So at 615 ETT with 100 stem puts me right on a 20" ML. The only thing putting me off the 20" is the really high standover height (833mm).
    Would I be better off going with the 18" and a 120 stem? In your opinions would this negatively affect the handling too much?

  3. #3
    mtbr member
    Reputation: vikb's Avatar
    Join Date
    Sep 2008
    I wouldn't buy a bike where I had to plan on using a 120mm stem. That's long and what if you need even more reach when you build it up? Buy a bike that puts you into a 110-100mm stem so there is some room to adjust once you have the rig.

    I ride an 18" Pugsley. Standing on the concrete floor of my garage I have no stand over clearance and my boys are touching the TT. In years of riding all sorts of terrain [snow/sand/dirt touring] I've never had a single problem.

    Having said that if you really can't get the standover you want in a frame with the right effective TT than it's not the right frame for you. Don't buy a smaller frame to solve the problem.
    Safe riding,


  4. #4
    Join Date
    Sep 2011
    I am in a situation somewhat like yourself- I bought a frame size that by the numbers I fit but didn't factor in completely the stand-over height. My boys are to the on top/side of the frame's tob tube and i've been racked numerous times already. Long story short i"m changing the frame style because although that frame size fits me I needed something with more clearance due to a shorter inseam.

    Don't know if that helps you any but I would really consider also a couple of inches on top of that for when you are riding the soft stuff and have to get off the bike unexpectedly and your feet sink in.

    (and yes I will soon have a large 907 2011 frame in orange for sale)

  5. #5
    guy in the woods
    Reputation: whysinglespeed's Avatar
    Join Date
    Oct 2009

    demo one

    not trying to push it but....

    stop in and ride one if you are around the centralpa area.
    we have SM-XL Demo Mukluk 3's
    we stock SM-XL Demo Mukluk 2's

    Rothrock Outfitters
    check out Pa's only Fatbike only event
    FrozenFat - Jan 15/16 2012 - register on bikereg.com
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  6. #6
    Geordie biker
    Reputation: saltyman's Avatar
    Join Date
    Nov 2009
    remember, the 20'' moonlander actually has a 18'' top tupe height.......same as the pugsley (im 6ft and have a 20'' pug and 20'' moonlander ordered).

    even though my girlfriend rides my pugsley, with ease, despite being 5ft 2''.........

    mukluk wise, a large was perfect for me, never had any issues with it.
    2014 milage so far - 2,485

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