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Thread: 20" Snow Traction System?

  1. 18th April 2012, 01:52 PM #11
    SBD4's Avatar
    SBD4
    SBD4 is offline A Keeper of the TGO Gold Subscriber
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    Have you heard about these? Not sure what they're like but they might be a reasonable alternative:

    Front page - Autosock

    They're $200 a set from here in Oz (much cheaper on eBay):
    Autosock - Large Size 600-699 - Village Ski & Snowboard

    This place seems to sell them in NZ:
    Autosock - Würth New Zealand

    A bit of a video to look at:
    [ame=http://www.youtube.com/watch?v=WtBzXVbE3Rc&feature=related]AutoSock a Revolutionary Invention - YouTube[/ame]

    the size for 275 40 R20 is 697 (you can check that on the Autosock web site)

    Maybe some one else can shed some light on their efficacy?
    Cheers,

    Sean

    “Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” - Albert Einstein
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  2. 18th April 2012, 02:52 PM #12
    Dougal
    Dougal is offline ForumSage
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    Yes they are reasonably common here. I'm just not sure how well they will last or how much use they would be on ice.

    After watching that video, I'm convinced those guys have no idea how to run any experiment.
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  3. 18th April 2012, 04:11 PM #13
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    SBD4
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    On second thoughts. I don't think they are much good when the road is not completely covered in snow/ice. Once back on the black stuff I think they would tear and fall apart.

    Oh well.
    Cheers,

    Sean

    “Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” - Albert Einstein
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  4. 23rd April 2012, 07:21 PM #14
    Dougal
    Dougal is offline ForumSage
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    It looks like the owner is keen to trade down to 19's if needed to get some chain clearance.

    Are the 19" rims offset the same, so a 20mm narrower tyre gives 10mm more inside clearance?
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  5. 24th April 2012, 09:41 PM #15
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    camel_landy
    camel_landy is offline YarnMaster
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    Don't know the offsets bu 255 on the 19" rims do give enough clearance for a standard set of snow chains.

    M
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  6. 4th June 2012, 01:42 PM #16
    Dougal
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    Quote Originally Posted by camel_landy View Post
    275s are too wide for snow chains.

    Although you can get chains to fit a 275/40R20, there is not enough clearance between the wheels & suspension for the chains... Trust me they rub!

    255/50R19 is the largest you can go to if you're fitting chains.

    FWIW - Thule do some easy to fit chains.

    M
    Confirmed today that I can't fit a finger between the front 275/40R20 and the upper suspension ball-joint. On the rear there is plenty of clearance, but that's not helping much right now.

    Autosocks aren't available wide enough in that diameter. Either way this is looking expensive.
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