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Thread: How much tread for WOF

  1. #1
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    How much tread for WOF

    How much tread do my tyres need to get a WOF? I've heard 5mm but that makes me wonder how I got my last WOF from VTNZ.

  2. #2
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    1.5mm

    5mm would give you about 200km use out of most tyres.
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  3. #3
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    Thanks. Time for a new front tyre.

  4. #4
    1.5mm across 3/4 the width of the tread - which means effectively you can have the centre section bald and still get a WoF.The 3/4 nonsense should be dropped,like it is in Britain.We get cars in with tyres bald on one edge and 5mm on the other,that's crap,it needs to be across the full width of the tyre.And bikes are worse having such a small contact patch compared to the width of the tyre,and there are many motorcycle tyres with no grooves in the centre section....how are you supposed to get a depth measurement?

  5. #5
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    I've heard of and seen Racetecs still giving very good grip (in the dry) right down to the steel belts.

    I wouldn't recommend it though.
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  6. #6
    Tread isn't required for grip - but it is for a WoF.

  7. #7
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    Agreed - I think the tread's main purpose is water displacement.
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  8. #8
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    I know - just wanted to share.
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  9. #9
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    Quote Originally Posted by McJim View Post
    Agreed - I think the tread's main purpose is water displacement.
    For sealed road use treads only purpose is water displacement, if it didn't ever rain we'd all be on slicks
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  10. #10
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    As far as I know slicks give better wet weather grip then treaded tyres... up to the point at which they aquaplane

  11. #11
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    Quote Originally Posted by toymachine View Post
    As far as I know slicks give better wet weather grip then treaded tyres... up to the point at which they aquaplane
    Which is pretty much instantly.
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  12. #12
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    Quote Originally Posted by thealmightytaco View Post
    Which is pretty much instantly.

    No it isn't, I've raced a FXR150 on slicks in torrential rain at Teretonga and was bugger all slower than the in the dry

    At the same meeting there was a CBX550 on slicks in Pre82 running up the front of the field

    I wouldn't want to try a modern high HP bike on wide slicks though
    "If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough power."


    Quote Originally Posted by scracha View Post
    Even BP would shy away from cleaning up a sidecar oil spill.
    Quote Originally Posted by Warren Zevon
    Send Lawyers, guns and money, the shit has hit the fan

  13. #13
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    Don't forget it your side walls are cracked from age you will also have to replace them. I had about 3mm on mine but they were really old when I bought the bike. Makes you wonder how the previous owner passed it's WOF with the same tyres!!!

  14. #14
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    Quote Originally Posted by degrom View Post
    Don't forget it your side walls are cracked from age you will also have to replace them. I had about 3mm on mine but they were really old when I bought the bike. Makes you wonder how the previous owner passed it's WOF with the same tyres!!!
    That's a safety issue, not a WOF one.
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  15. #15
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    Quote Originally Posted by Jim2 View Post
    That's a safety issue, not a WOF one.
    I replaced it... But I still want to know who passed that tyres on previous WOF...

    Anyway... It's one of those things you'll never know so let's continue!!!

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