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  1. #1
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    Trek's IsoSpeed MTB

    Spotted: Trek hardtail with decoupled rear end - VeloNews.com

    Trek's finally bringing their road tech to mtbs. Ever since I saw the Domane, I have been waiting for this. Haven't ridden a hardtail in awhile, maybe it's time to switch.

    This or a Cannondale FSi? Or better yet, this bike with a Lefty.
    "It doesn't get easier, you just go faster"

  2. #2
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    Indeed. I was very surprised that this was first used on a road bike, and not the other way around.

    By all accounts, those that have it love it. My only concern is grit getting caught in the area between the pivot and the frame, and wearing carbon away.

  3. #3
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    I love the ISO speed decoupler on my Domane, such a comfortable bike to ride. Will be very interesting to see how this holds up in mountain bike conditions. I'm sure on an XC bikes like the X-Cals and Superflys that isn't going through rock gardens and jumps it should hold up well.

  4. #4
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    Quote Originally Posted by Kevin513 View Post
    I love the ISO speed decoupler on my Domane, such a comfortable bike to ride. Will be very interesting to see how this holds up in mountain bike conditions. I'm sure on an XC bikes like the X-Cals and Superflys that isn't going through rock gardens and jumps it should hold up well.
    Huh?

  5. #5
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    I'm thinking this frame along with the 60mm (2.35 inches), 2.18 lb Lauf Trail Racer suspension fork for a super light semi-suspended sub 18lb racing machine will be cool!

  6. #6
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    Quote Originally Posted by gtoscott1970 View Post
    I'm thinking this frame along with the 60mm (2.35 inches), 2.18 lb Lauf Trail Racer suspension fork for a super light semi-suspended sub 18lb racing machine will be cool!
    You'd be better off with a rigid front end
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  7. #7
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    How does the Isospeed work?
    Tahoe29er

  8. #8
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    Seat tube connected to the top tube/seat stay junction via an eccentric pivot.

  9. #9
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    The team bike also has 148 boost, 110 front axle and Di2 electric shift.

    Trek's IsoSpeed MTB-2016-sf-sl.jpg
    The IsoSpeed decoupler system uses a sealed bearing to allow the seat tube to pivot independently of the top tube.
    Trek's IsoSpeed MTB-2016-sf-sl-isospeed2.jpg
    Trek's IsoSpeed MTB-2016-sf-sl-isospeed3.jpg
    Trek's IsoSpeed MTB-2016-sf-sl-isospeed4.jpg

  10. #10
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    Too bad it's not on the new Stache 29+ models!

  11. #11
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    Quote Originally Posted by Wish I Were Riding View Post
    Too bad it's not on the new Stache 29+ models!
    They probably want to use it first in the next gen 9.9SL Superfly first and then let it trickle down.

  12. #12
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    Quote Originally Posted by Le Duke View Post
    Indeed. I was very surprised that this was first used on a road bike, and not the other way around.

    By all accounts, those that have it love it. My only concern is grit getting caught in the area between the pivot and the frame, and wearing carbon away.
    Only one season of cross racing on it but lots of gravel miles in crappy conditions on my boone and no problems to date. Maybe long term could cause problems but so far theres no evidence of much getting in there at all.

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