Trek Farley Size- Mtbr.com
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  1. #1
    17j
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    Trek Farley Size

    I am 5-9 and it looks like I am spot on with a 18.5, but they don't make one.??What are people doing or simply move to another brand?

  2. #2
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    I would size down. You can get a set back seat post and/or stem to get the fit right. Also, sit on one at the shop. You may find going smaller/bigger may fit better.

  3. #3
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    I bought an "almost" new Demo 19.5" Farley 7 even though it felt WAY too Big for me at first. (5'-10" w/32" inseam)

    It was a left over 2018, marked down $1200 compared to the new 2019's.
    I basically had to choose between a 2018 19.5" Farley 7 or a 2019 Farley 5 (17.5") for the same price.

    I went with the 19.5", SRAM NX 1x11 and Manitou Mastodon.

    I got used to the taller bike pretty quick once I realized the extra height of the handle bars and seat also came with a higher BB
    and all were attributed to the taller tires/wheels plus the extra travel on the Mastodon over my old 17" MARIN trail bike with 26.0x2.0's and Judy XC fork.

    When placed side by side, the stand over height is pretty darn close.


    You really have to try it for yourself to know for sure
    But don't be intimidated by the size difference if this is your first Fat Bike.
    Those Big ol' 27.5"x4.5" Tires just rollover obstacles I once had to bunny hop to clear.

    Name:  Farley Size.png
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    Trek Farley Size-marin_2.jpg

    Trek Farley Size-marin_3.jpg

    I added a Bontrager 125mm Line Dropper Post (internal routed) within the first week,
    Be sure to put that on your mod list if you're looking at the F5 (standard on the 2019 F7's)
    Last edited by CanuckMountainMan; 11-28-2018 at 07:25 PM.

  4. #4
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    I just bought the Farley 5 in 19.5". I am 5'11"+ and I have a 33" inseam. Fits great, I don't think I would go smaller, but it's a big bike, I definitely wouldn't want larger. For your size I think I would try the 17.5". I agree with 2:01, there are ways to make a bike hit that in-between size when it's smaller, but when it's too big you're kind of stuck.

  5. #5
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    Canuck, that's an awesome deal for a F7! Wow! Nicely done!


  6. #6
    17j
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    Thanks guys,
    I do have experience on Fat bikes but not Trek. My issue with it being to small and pushing the seat back is I like to be positioned properly over the BB and not pushed back like pedaling a big wheel as I lose power and being in the position kills my back. There aren't any lodal to test ride is the problem.

  7. #7
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    I am 5’6” with 29” inseam and have always been on medium mountain bikes, until I bought my fat bike, Rocky Mountain Suzi Q, which is a large (but I was able to sit on it before purchase). I agree that sizing is all over the place, so you need to either demo or if you have tons of riding experience, at least just sit on the bike.

    Here is what I always avoided. There is nothing more annoying for me than a cramped position on a bike. This is not me, of course.
    Attached Thumbnails Attached Thumbnails Trek Farley Size-b78575c1-b4a2-4b37-bc45-657faf4f622b.jpg  

    My rides:
    Lynskey Ti Pro29 SS
    RM Suzi Q 90 RSL
    KHS Team 29
    S-Works Roubaix
    KHS CX 550 cyclocross

  8. #8
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    I am 5 10 and have a Farley 7 17.5 and it’s definitely a small fit bit still a ok. I picked it up from a 5 11 guy who couldn’t deal with the smaller size. I still rideit once in a while but passed it to my kids. I ride a Farley 19.5 and find that size to fit me just right. Hope this helps

  9. #9
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    I'm 5'9" and ride the 17.5" the fit is good for me, no complaints.
    Braaap!

  10. #10
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    The 17.5" Farley is right in between a SMALL size and a MEDIUM size. I would say is the biggest SMALL and the smallest MEDIUM in the world of bicycles. Right in the middle. Perfect for me. I am 5.7

  11. #11
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    I am 5'10" and have had both a 17.5 and a 19.5. I now ride a 19.5 Farley 9.6, and prefer the large frame. I spent 2 years on the medium, and it was fine, however I chose the large when upgrading and I have noticed I am more comfortable, with little to no back pain, which I had on the medium. I run a short 40mm stem, with 800mm wide bars, and absolutely love it.

  12. #12
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    There large frame is 19.5 virtual and 18.5 actual size hopefully that helps

  13. #13
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    I'm 5 11 and ride a 19.5
    With the smaller size I was soo stuffed in the cockpit it would require like an 80mm stem to feel like my knees wouldnt hit the bars.

    You need to ride both but I'd go 19.5 with a shorter stem snd slide the seat forward a bit. You lbs should be willing to do this for a test ride.

    I rode 2 sizes both with different stems before deciding on 19.5

  14. #14
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    I'm 6'1" on a 19.5 Trek Farley EX 8. I would say it is just a wee-bit smaller than I would like, but I didn't have an option for a 21.5 as they were down to limited stock with the model being discontinued. My regular trail bike is an XL. I would agree that the sizing on the Farley series is a little bit different than "traditional" sizing.
    2020 Turbo Levo Comp
    2019 Strive CF 8
    2018 Farley EX 8

  15. #15
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    Did you try riding the large with a shorter stem like a 40?

  16. #16
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    Bought a 16 Farley 7 used in 17.5. I am 5 9 3/4 exactly with long arms. It is the small end for sure but it works just fine. I bought if from a similar proportioned guy who was 5 11 and it was too small for him. This one I ride but I got it for my kids.

    I picked up a 18 Farley 9.6 in 19.5 and jackpot fit!! The guy I got that form is also 5'11 and stated it fit him just right.

    Hope this helps.
    2016 Remedy 9
    2016 Farley 7
    2017 Santa Cruz V-10 C
    2017 Remedy 9.9
    2017 Domane SLR 6

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