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  1. #1
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    Rumblefish sizing??

    I test rode a 2012 Rumblefish Pro. I really liked it. It was quick , handled well and seemed to fit me just fine. Then I realized that it was a 17.5 inch frame. How could this be? I am 6 ft tall, wear size 32 pants and have a cycling inseam (when measured the Rivendell way) of 34 inches. All the charts i see, comments on this board say I should be riding at least a 19 inch bike. All of my other bikes are larger ,58 cm road bike, large Bullit, 19 inch cross country bike. Perhaps I need to go back and ride it again? Or do these bike run big?

  2. #2
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    I don't know about Rumblefish but I ride a 17.5 size Hardrock 29er and fit well on my friend's 17.5" Superfly 100 and a demo Camber Comp 29er so it seems like that's my size (with 29ers). I'm 6-1 with a 30 inch inseam (pants, don't know about Rivendell). I let standover height guide me but happily the reach from the seat and pedals also seams to work (on the bike's I've mentioned anyways). There's a lot more to bike fit than your height (as I'm sure you know).

    I really like the Rumblefish's specs and I should have a chance to ride one in a couple of weeks. I hope I hate it so I'm not tempted to get one.

  3. #3
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    I am 5'-11" with 32" inseam and ride the 19" Rumblefish.....it fits me perfectly. Shortened the stem and put on a wider bar with a lttle bit more rise.

  4. #4
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    I'm 6' 3" and and ride an XL 2012 RF Elite. Also shortened the stem and widened the bars for a perfect fit.

  5. #5
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    I am 6-1 and 33in inseem i ride a 19in 2012 Rumblefish pro, I put a 50mm o% stem and a wider 50mm rise bar and it is perfect for me.

  6. #6
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    I'm 5'10 with a 32" inseam and i just ordered a 17.5 RF elite. rode a 17.5 demo bike and it fit nicely. i currently have a 18" 4300

  7. #7
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    I am 6' and rode a 17.5 rumblefish and now ride a 17.5 Superfly 100. I test rode the 19" at a Trek demo day and it felt big. I do have a 20mm setback seat post and a 90mm stem. I would test ride the 19" and see if you like it better only you can tell which one you like best.

  8. #8
    dpo
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    I am 5' 8 and ride a 17.5 RF. Perfect fit for me.

  9. #9
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    I am in a bit of a dilemma, a local shop is offering the 2012 Rumblefish at a great price, Im , 5 11, short legs , long torso, normally ride a 20 inch hardtail , 26 inch wheels.
    i rode the 17.5 around the carpark, it felt great handling wise, i was surprised how sharp it felt, but i felt a bit bunched up and more up right than i am used to.
    Rode the 19, it felt more comfortable with arm position etc , but the bike itself felt more cumbersome when it comes to handling, not as sharp as the 17.5.
    What is the norm with this bike? would you say its a bike where you generally ride a bit more up right as in the 17.5? Or will the slightly cumbersome type feel be something i get used to and improve with the 19?

    I

  10. #10
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    6"2' and a half, dont know leg lengths
    21" frame, shortened stem, and seat forward, seems to fit well
    I probably shouldve got the 19", but Im not so sure and am still happy, might even go a shorter stem one day to try it
    but the bike itself rocks
    2012 Trek Rumblefish Elite
    Frankenbike (Pump/BMX track bike)
    1993 Colnago Elegant

  11. #11
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    I am in the same boat as silver fern. The 17.5 Rumblefish is a a great price too. However, it is the only size in stock. There are no lager sizes to try. I almost pulled the trigger last weekend as I again rode it and it felt fine, quick and agile. I suppose I should hurry up and "fish or cut bait"

  12. #12
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    I guess my main question is to Rumblefish owners, do you ride this bike with a slightly more upright position than you do with other bikes?
    the Geometry is different, long wheel base, short top tube compared to average.

  13. #13
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    Potterymouth, under the recommendation of the bike shop, i tried the 19 with a short stem , perfect, I brought it home.

  14. #14
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    6ft 34 inseam, 19" 2012RFElite -Stock. Except Seat and Kronolog Post (5 months, lots of abuse, no issues)
    Stock bars plenty wide enough for where I ride.. dang trees, need a good grip on the bars..lol.
    I would say it is a little more upright. I rode the specialized Stumpy Comp, Camber and the Opus 1.
    I liked the Stumpy but was only available in med.. and it felt a little sluggish going uphill. The camber felt like a pig.. not the ride I was looking for. The Opus one was nice at only 26lbs.. but, I was worried about durability. The RF seemed not much better, until out on the trails.. The climbing is even better now that I went tubeless, and downhill.. reason I bought the Kronolog.. drop it and go like the bat mobile Compared to the other bikes it just clicked.. 6 months later.. I still love it. Without being able to ride the trails it is hard to judge.. some bikes feel better than others. I tried the 17.5 and found it too cramped. But it was easier to throw around… now that I do not try to ride the RF like a 26er anymore.. it is much faster and when conditions are right I lean it further into the corners that I ever dared lay down my hard tail (Kona Caldera 2009). Just as a note if you ride steep up and some fast downs I highly recommend a dropper post = confidence. I had panic attacks after laying out the money for the bike.. I use to just stare at it in the garage.. wondering if I made the right decision. My last bike, I listened to the shop, I should have gone 29 and FS right off the bat. Knowing more now.. I was not afraid to ask to ride the bike. If they said no, I walked away. Never buy a bike without riding it, especially if they rent it.
    night riding - it's an adiction

  15. #15
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    Quote Originally Posted by Element36 View Post
    Never buy a bike without riding it,
    opps.....thats how I ended up with my Rumblefish
    2012 Trek Rumblefish Elite
    Frankenbike (Pump/BMX track bike)
    1993 Colnago Elegant

  16. #16
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    Think I am going to pass on the 17.5 Rumblefish and save my pennies for a large Transition Bandit 29. Then again, the Bandit in large is not a whole lot bigger that the 17.5 'Fish. BTW , it is a Trek demo bike, priced at $3200. Any thing else with full XT is way more than that however. Thinking......

  17. #17
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    I've found that every bike shop recommends the size bike they have in stock if you're between sizes.

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