un-even tyre wear.
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Thread: un-even tyre wear.

  1. #1
    Biker Scotty's Avatar
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    un-even tyre wear.

    So my front tyre has uneven wear, the right side (when on bike) of it just off centre the tyre has worn down to just about the tread wear marker however the left side at the same marker is still 2-3 mill of the wear marker.

    Anyone know what would cause this?

    My theory is my suspension setup but I don't know which parameter it would be that causes it.

    I was pretty sure to almost positive that I had setup both left and right side to the same settings but obviously I may not have got it right.

    Anyone help?





    so I've circled the wear markers but the pics don't really show the wear difference compared to IRL, but you can see that the wear is uneven.

  2. #2
    Senior Biker richo's Avatar
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    RE: un-even tyre wear.

    You're just turning one way more than the other.

    Wear on those tyres looks pretty good tbh.

    You'll get wierd wear patterns with bad suspension settings, but not one side wearing differently to the other.

    Doesn't matter much if both fork legs have the same settings tbh, fwiw it's pretty common to run a 9.5N spring in one leg and a 9.0N in the other to get a net spring rate of 9.25N for example.

  3. #3
    Biker Scotty's Avatar
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    RE: un-even tyre wear.

    Ok cool, thanks Richo.

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  5. #4
    Senior Biker richo's Avatar
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    RE: un-even tyre wear.

    Oh, and FYI, in Australia the right will naturally wear a little faster, our roads are convex to make the water run off, which means the road is slightly cambered to the left if you're riding on the left.. so the right has a bit more contact patch by default.

  6. #5
    Biker Scotty's Avatar
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    RE: un-even tyre wear.

    Quote Originally Posted by richo
    Oh, and FYI, in Australia the right will naturally wear a little faster, our roads are convex to make the water run off, which means the road is slightly cambered to the left if you're riding on the left.. so the right has a bit more contact patch by default.
    Interesting, cheers mang!

  7. #6
    Senior Biker juxt's Avatar
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    RE: un-even tyre wear.

    Quote Originally Posted by richo
    Oh, and FYI, in Australia the right will naturally wear a little faster, our roads are convex to make the water run off, which means the road is slightly cambered to the left if you're riding on the left.. so the right has a bit more contact patch by default.
    +1
    That's also why a lot of cars turn slightly to the left.

  8. #7
    Chukitova
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    RE: un-even tyre wear.

    Roundabouts are also responsible.

  9. #8
    Ace Drew's Avatar
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    RE: un-even tyre wear.

    If you do a lot of round town riding then you turn a lot more longer faster rights than you do lefts, because lefts are always tighter being on the same side of the road you are.

  10. #9
    Biker Scotty's Avatar
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    RE: un-even tyre wear.

    I don't ride around town at all, I find it to be a right pain in the arse to ride a thou in traffic and around the streets, but I get what you're saying as it would also be the same for on the open road.

  11. #10
    nOOb
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    RE: un-even tyre wear.

    The Romans managed the idea of roads with a wee crest to them in Briton - lots of time later when roundabouts came along, the idea of putting the drains on the interior seemed a better plan, so they're actually posi-camber which is cool for us on 2 wheels - then you step out into the World and feel confused as to why other countries cannot manage things the same way...

    ...oh and non-slip coating 50 yards before the zebra crossing sees fewer kiddies and pensioners run over - but again, effort? LMAO

    Of course, mixing spring rates is well good for intermediate rates - but generally more useful if you have quick change fork caps and the tools to do it on the bike - about 5 mins per leg. So, Zeno 25mm carts or any Ohlin's FGK & FGR designations... (it seemed logical to copy the good idea)

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