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Cyclonite

Joined:

Oct 10

Posts: 306

Cyclonite says:

Tyre tread depth

my tyre tread fades into the sides and middle

the tyre is worn but I'm wondering where do i measure from for tread depth ? 
the tread is similar to that in picture, is the measuring method fine?
http://www.sportsbikeshop.co.uk/product_images/bike_it_digital-tyre-tread-depth-gauge-detail2.jpg

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  • Posted 3 years ago (10 January 2012 23:34)

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jaffa90

Joined:

Mar 09

Posts: 8873

jaffa90 says:

legal tyre

You should find that the offside of your front tyre has worn more than the nearside,

http://www.motorcyclenews.com/MCN/Products/productsresults/Tyres/2009/July/jul1609-make-sure-tyres-are-legal/

Hope this helps. 

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bbstrikesagain

Joined:

Nov 08

Posts: 879

As per Jaffa's link

Tread must be at least 1mm deep across a continuous 75% of the width of the tread (a couple of 37.5% bands ins't okay), and all the way round the rolling circumference too.


You have to check at multiple locations.

If you do a lot of point and squirt riding the treads nearest to the centreline will go first.  If you do lot of firm cornering the sides will go too.

There should be wear indicators in the relevant full depth tread grooves, if any of these gets close to flush with surface then you're bordering on illegal.

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