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Are these normal on new tyres?

  • This topic has 9 replies, 7 voices, and was last updated 15 years ago by Simon E.
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  • July 16, 2011 at 4:26 pm #13857
    humpyg

    Hi all,
    I’ve bought 2 new continental gp4000s tyres, and both of them have 2 small holes/indents in them. I’m just wondering if this is normal or if there’s a dodgy batch. I haven’t noticed these on previous tyres (different makes).

    For pics, please see:
    http://www.scuk.co.uk/pic1.jpg
    http://www.scuk.co.uk/pic2.jpg

    Thanks.

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Viewing 9 replies - 1 through 9 (of 9 total)
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  • July 18, 2011 at 10:39 am #649359
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    Simon E

    humpyg wrote:I generally only

    humpyg wrote:
    I generally only read instructions when there’s an issue with something :)

    Meaning – when you’ve cross-threaded a pedal or fitted something the wrong way round and it doesn’t work 😉

    July 17, 2011 at 2:53 pm #649357
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    humpyg

    crimpit wrote:You read the

    crimpit wrote:
    You read the instructions for tyres?
    Wow – I’m not sure if I’ve ever made it through a full instruction booklet for ANY bike component.

    Ha ha, no I don’t, well not normally, but because of these odd holes I looked at the instructions to see if there was any mention of them, and there wasn’t. I generally only read instructions when there’s an issue with something 🙂

    July 16, 2011 at 9:44 pm #649355
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    crimpit

    You read the instructions for
    You read the instructions for tyres?
    Wow – I’m not sure if I’ve ever made it through a full instruction booklet for ANY bike component.

    July 16, 2011 at 6:22 pm #649353
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    mpt68

    agree about them being a good
    agree about them being a good tyre.just swopped onto them from gators might be me but they feel to have a bit more grip and a bit faster.

    July 16, 2011 at 6:01 pm #649351
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    giff77

    Dave beat me to the punch! –
    Dave beat me to the punch! – wear indicators 🙂 they’re great tyres by the way. I’ve just switched to them.

    July 16, 2011 at 5:59 pm #649349
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    humpyg

    Many thanks Dave, spot on
    Many thanks Dave, spot on 😀
    On closer look it says TWI ^. Now I know what that means. I couldn’t see any mention in the instructions it came with.

    July 16, 2011 at 5:57 pm #649347
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    Gkam84

    You would think they’d put
    You would think they’d put them on all their tyres?

    Never seen them on Ultra sports, although there isn’t much to them

    July 16, 2011 at 5:34 pm #649345
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    dave atkinson

    It’s a wear indicator. When
    It’s a wear indicator. When the lil’ hole disappears, time to swap ’em out.

    July 16, 2011 at 5:18 pm #649343
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    Gkam84

    Never seen them on any
    Never seen them on any Continental’s i’ve bought, but i’ve never had GP4000’s

    It could just been the way they are made

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