Tire weight ramblings...- Mtbr.com
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  1. #1
    Recovering Weight Weenie
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    Tire weight ramblings...

    Just weighed a few of my kevlar tires on the postal scale at work...

    Nano - 635 grams
    XR - 633 grams
    Fast Trak - 623 grams
    Ignitor - 620 grams

    All this time I thought the XR was super light.

    This has got me thinking though..whats the point of the Fast Trak if it's the same as everyone else's?

    Good thing is that all the tires listed above are sound, durable, tires.

    The new Kendas seem a little sketchy...

  2. #2
    Nouveau Retrogrouch SuperModerator
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    Well, your XR, FT and Ignitor are on the high end of the weight range for those models. The XR and Fast Trak are higher volume than other models. All are much lighter than the ExiWolf.
    mtbtires.com
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  3. #3
    Law
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    Quote Originally Posted by Padre
    The new Kendas seem a little sketchy...

    especially for a guy of your size. You would probably overwhelm them.
    my builder: Neil at Cernitz Bike

  4. #4
    Nouveau Retrogrouch SuperModerator
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    Quote Originally Posted by rryyddeerr
    how did this thing get soooo heavy. ive got mine running now and they seem to weigh a ton. Shig, I read on your site theyre like 800g. whoa mamma. is it the casing? its not the tread. its not monstrous, so it cant be that. what makes these things so heavy?
    Casing and tread. There is a lot of rubber in the tread. They may have a thick base rubber, too. The base layer is a place that needs to be balanced for durability/toughness and weight/suppleness. Too thin and the tire cuts/punctures easily and the tread can chunk. Too thick and it adds a lot of weight and can make the tire feel dead.
    mtbtires.com
    The trouble with common sense is it is no longer common

  5. #5
    Expert Pushing SSer
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    Seems light(ish) to me for 29" stuff. I am used to 26" stuff and I like things less than 800 g, and usually a lot less (like <650 g). FWIW, I am sort of a closet weight weenie (no I do not like light closets).
    Tuff Schist

  6. #6
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    the exi

    how did this thing get soooo heavy. ive got mine running now and they seem to weigh a ton. Shig, I read on your site theyre like 800g. whoa mamma. is it the casing? its not the tread. its not monstrous, so it cant be that. what makes these things so heavy?

  7. #7
    Recovering couch patato
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    With all those weights so close together, you have the luxory to not worry about weight. Just ride the ones that give you the most confidence. The ideal combination of corner-carving grip and keep-up-with-wife rolling resistance?
    I want your XR, be it a front or rear. Mine were like 660g. If Bontrager would make an all-our race version of the XR, ultra-fast casings and even faster rubber, I would not need anything else for dry riding. To make another tire corner faster, I would first have to dig a berm.

  8. #8
    mcd
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    Quote Originally Posted by rryyddeerr
    how did this thing get soooo heavy. ive got mine running now and they seem to weigh a ton. Shig, I read on your site theyre like 800g. whoa mamma. is it the casing? its not the tread. its not monstrous, so it cant be that. what makes these things so heavy?
    Mine weighed 915 grams! I tell myself that i'm getting a better workout than that guy waaaaayyyyy up front! my fast traks were right at 625 each.
    disclaimer: i (NO LONGER) live with my mom...

  9. #9
    Reviewer/Tester
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    My Exi's are : Fast. Light. Tough.

    [Pick one]


    R.
    It is inevitable ...

  10. #10
    jrm
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    I guess im just

    Quote Originally Posted by shiggy
    Well, your XR, FT and Ignitor are on the high end of the weight range for those models. The XR and Fast Trak are higher volume than other models. All are much lighter than the ExiWolf.
    a big tire weenie cuz i love that 771g exi up front. heck thats still less then the sticky BG i was running on the 26" bike and it rolls better.

  11. #11
    Always Learning
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    Quote Originally Posted by Cloxxki
    If Bontrager would make an all-our race version of the XR, ultra-fast casings and even faster rubber, I would not need anything else for dry riding.
    They did. It's called the XR 1.8 as demanded by the Fisher race team.

    BB

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