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  1. #101
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    Recently purchased a Jumbo Jim 4.4" (Snakeskin) to my alloy Beargrease. The tire weighed in at 1205 g. I did not measure the bead to bead width, but on a 65 mm rim with 0,6 bar pressure the width at the knobs was about 104 mm and at the casing, about 99 mm. Quite reasonable

    Update: on mulefut (already stretched) 0,5 bar pressure: knobs 105 mm, casing 106 mm (≈4,17").
    Last edited by kyttyra; 03-11-2017 at 11:40 PM.

  2. #102
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    Terrene Wazia 4.6 Studded.
    1668g on kitchen digi scale.
    240mm bead to bead same as my 45nrth D5s
    102mm on my DT Swiss BR710 80mm rim and 106m knob t knob.
    Attached Thumbnails Attached Thumbnails The TRUE tire size thread-20161201_185413small.jpg  

    The TRUE tire size thread-20161201_185919small.jpg  

    Last edited by Co-opski; 02-27-2017 at 03:04 PM.
    ptarmigan hardcore

  3. #103
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    Quote Originally Posted by kyttyra View Post
    Recently purchased a Jumbo Jim 4.4" (Snakeskin) to my alloy Beargrease. The tire weighed in at 1205 g. I did not measure the bead to bead width, but on a 65 mm rim with 0,6 bar pressure the width at the knobs was about 104 mm and at the casing, about 99 mm. Quite reasonable
    Thank you!. I've been hoping to hear some measurements of a 4.4 JJ width on a 65mm rim.
    How do you like the profile? Are the shoulder knobs still where we'd want 'em for good cornering grip?

  4. #104
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    The TRUE tire size thread

    When is everyone measuring. My gnarwhal was almost flush with the sides of my mulefut new, now it has some bulge out. Would say it probably widened 1/4"
    Fatbike, XC bike, Gravel Bike....

  5. #105
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    Quote Originally Posted by Co-opski View Post
    Terrene Wazia 4.6 Studded.
    1668g on kitchen digi scale.
    240mm bead to bead same as my 45nrth D5s
    105mm on my DT Swiss BR710 80mm rim.
    How's the Wazia in snow? Any chance you've ridden it on any wet roots as well? Been eyeballing it but can't find much info as far as rubber compound, durameter, or reviews for that matter..... Thx!!

  6. #106
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    Quote Originally Posted by Techspec360 View Post
    How's the Wazia in snow? Any chance you've ridden it on any wet roots as well? Been eyeballing it but can't find much info as far as rubber compound, durameter, or reviews for that matter..... Thx!!
    The ground
    has been frozen this winter. I have had them in light loose snow, hardpack groomers and an ice rink. More info here. New tire company, Terrene Tires
    ptarmigan hardcore

  7. #107
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    Quote Originally Posted by PlutonicPlague View Post
    Thank you!. I've been hoping to hear some measurements of a 4.4 JJ width on a 65mm rim.
    How do you like the profile? Are the shoulder knobs still where we'd want 'em for good cornering grip?
    The profile is (not surprisingly) quite rounded. I have a feeling that for best cornering grip a little wider rim would be better, but so far I'm not complaining.

  8. #108
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    Snowshoe 2XL on 80mm DT-Swiss rim. Knob to knob. 10Psi and tubeless. Now over a month from that picture width is 127-128mm.

    The TRUE tire size thread-file-27.10.2016-9.00.21.jpeg
    Life, Love & The Blues. And Fatbiking.

  9. #109
    Anchorage, AK
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    Just got a pair Jumbo Jim 4.4 Liteskins. Weight: 1174 grams, casing width: 245 mm.
    --Peace

  10. #110
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    I may have missed it, but my 120TPI Fat B Nimbles (FBN) measure a true 4" on a 100mm rim with about 10psi. They work very well in the sandy washes here in Az. Great budget tire for here.

    The TRUE tire size thread-20161217_174256.jpg

    The TRUE tire size thread-20170103_230354-1.jpg

  11. #111
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    Quote Originally Posted by brownmruk View Post
    Just browsing this thread to help inform my next tyre purchase and saw the Maxxis Minion FBF size quoted. I have an FBF on the same rim (81mm) and it measures 4.46" @ 10psi. Quite a difference - that is the outside knob measurement.
    I just measured my FBF 4.8 on a 80mm Sun Ringle Mule Fut: 4.375". Brand new tire, no time to stretch.
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  12. #112
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    updated my 4.6 Wazia numbers.
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  13. #113
    Rocking on a Rocky
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    Snowshoe XL'S on a 100 mm rim or Snowshoe 2XL's on a 80 mm rim. Anybody got numbers on this?
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  14. #114
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    Quote Originally Posted by RockyJo1 View Post
    Snowshoe XL'S on a 100 mm rim or Snowshoe 2XL's on a 80 mm rim. Anybody got numbers on this?
    XL's on 100 width 4.54" or 115.47mm. Casing and knob width for all intents and purposes the same.
    Latitude 61

  15. #115
    Oslo, Norway
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    Quote Originally Posted by RockyJo1 View Post
    Snowshoe XL'S on a 100 mm rim or Snowshoe 2XL's on a 80 mm rim. Anybody got numbers on this?
    All at industry standard 20psi test pressure:
    I have measured tons of XLs and they are typically 4.7 to 4.8 on 100s.
    They are 4.4'' on my current 80mm ice setup.
    2XLs are typically spot on 5.0 on an 80.
    If you are checking for comparison, remember that the rolling diameter of the 2XL is much, much bigger than the XL. It is a 300mm bead to bead tire vs. 260mm for true size 4.8s (XL, JJ, Bud/Lou, etc).

    4.0s are typically around 220mm, so the difference in volume beween the 2XL and a 4.8 is as big as the difference between a 4.8 and a 4.0.
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  16. #116
    Rocking on a Rocky
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    Quote Originally Posted by Espen W View Post
    All at industry standard 20psi test pressure:
    I have measured tons of XLs and they are typically 4.7 to 4.8 on 100s.
    They are 4.4'' on my current 80mm ice setup.
    2XLs are typically spot on 5.0 on an 80.
    If you are checking for comparison, remember that the rolling diameter of the 2XL is much, much bigger than the XL. It is a 300mm bead to bead tire vs. 260mm for true size 4.8s (XL, JJ, Bud/Lou, etc).

    4.0s are typically around 220mm, so the difference in volume beween the 2XL and a 4.8 is as big as the difference between a 4.8 and a 4.0.
    Cool thanks. Trying to decide between getting 2XL's on 80's or get 100mm rims and run my XL's.
    It doesn't matter what I ride as long as I ride it Rubber Side Down●~●.

  17. #117
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    Quote Originally Posted by Espen W View Post
    All at industry standard 20psi test pressure:
    I have measured tons of XLs and they are typically 4.7 to 4.8 on 100s.
    They are 4.4'' on my current 80mm ice setup.
    2XLs are typically spot on 5.0 on an 80.
    If you are checking for comparison, remember that the rolling diameter of the 2XL is much, much bigger than the XL. It is a 300mm bead to bead tire vs. 260mm for true size 4.8s (XL, JJ, Bud/Lou, etc).

    4.0s are typically around 220mm, so the difference in volume beween the 2XL and a 4.8 is as big as the difference between a 4.8 and a 4.0.
    Great info, thanks! I am trying to decide between grip studding my Ground Controls or buying a studded pair of tires. I am running my 4.6 GC's on a 170mm Mukluk frame on 82mm rims. They measure 4.3" in this config. Enough to avoid frame rub/chain rub (had to install a wider BB) but don't think I can go much wider. Grip studding will run about $120 - $150 per tire. Studded Vee XL's go for about that much new these days, but I can only find 4.8's. Any idea where I can find 4.0's? I have searched online with no luck. Any other studded tire suggestions in this price range welcome. Thanks!

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