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  1. #1
    Singletrack groupie
    Reputation: Bandit402's Avatar
    Join Date
    Jun 2007

    New question here. Trek 9 vs. Rocky Mountain Element 70?

    Hey guys,

    My pops is looking to replace his old cannondale with a larger size/better fit. He's about 6'3.5" and 280lbs. These are the two bikes that he's narrowed it down to...

    What worries me is the race design...seems a lot of the race bikes are built more for the 165lb racers than the bigger guys. Any advice would be great!



  2. #2
    NMBP/OMBA crew!
    Reputation: Strykar's Avatar
    Join Date
    Mar 2007
    im a big dude, 230, 6ft 1in, and the trek 9 held up for me real well. it was only a demo ride, but for 45 minutes, i did some pretty aggressive trail riding on it. that thing is sweet. ive never riden a RM, so i have no idea about it. the trek is good stuff though imo.

    Rubber side down is good for me

  3. #3
    mtbr member
    Join Date
    May 2006
    The RM Element is a solid frame with well built pivots the weight should be fine.

    The RM Element is known for a shorter cockpit, so be sure to take that into consideration when choosing size, often a longer stem, and the seat adjusted well to the rear is required.

  4. #4
    kabouterclan member
    Join Date
    Jun 2006
    exactly. You just beat me to it

    Thes are 2 very different bikes anyway:
    • The EX is a 5" suspension trailbike
    • The Element is a 4"suspension XC/marathon/trail bike.
    • Rocky's best comparison to the EX would be a ETSX. Somewhat heavier but with a Talas fork

    About weight
    Can't really help you there, I'm 69kg myself . But I think that a bike that's built for bigger bumps might be somewhat better if your heavy?

    About size
    • Treks have waaaay long toptubes: the 19" has a 625mm TT, the 21" has a 645 TT!
    • Rockys are shorter. My 20.5" Element has a 615mm TT. I'm 1.9m (~6f3.5") and my legs are really long, so the TT is okay for me.

    I suggest you try the Rocky 20.5 and the Trek in 19"and 21". Make sure you get these things right before deciding:
    • saddle height. The 19" Trek might be too small even with a 400mm seatpost! I ride a high Gobi saddle, 180mm cranks (tip!) and eggbeaters and my seatpost is maxed out.
    • Cockpit length. 130mm stem is max. And you won't seatposts wth setback longer than 400mm.
    • bar height. Smaller bike means shorter headtube means lower bar. Longer travel fork means higher bar.

    Hope this helps. Both bikes are really nice
    Sent from my HAL 9000

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