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minimum tyre tread depth

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SWEETY:

--- Quote from: Lord Shagg-Pyle on January 19, 2009, 22:25:36 ---1.6mm is the legal limit, although our patrol cars get their's done at 4mm. Its a bit safer that way.

--- End quote ---

I'll be binning my AT's when they get to 4mm :D When I had cars I often bined the tyres at 2.5-3mm :roll:

Range Rover Blues:
Car manufacturers recomand 3mm as at that point the wet grip starts to suffer seriously.  IIRC it's also the law in some European countries which is why we have so many second hand tyres here.

I was told by someone that 4x4 tyres needed to be changed ealry because they were supposed to be deeper, I think it was a fellow member who had been stopped by the fuzz.  Utter hogwash of course but not worth getting into an arguamant over.  Besides, wider tyres need deeper tread which is why motorbikes can function with less tread, some road cycles have no tread but the tyres are so narrow they don't need any.

My advice to my pupils is 75% across the centre 3.4 of the tyre, all the way round (that's the law) and visible at both edges (so you know it's not worn well into the carcase).

My mate is an MOT inspector and QC testing at his station so he goes on all the courses.  Even under the 1.6 mm law there are some dodgy tyres that are within the law.

Disco Matt:
I can confirm that BFG A/Ts are a bit useless in mud when they get down to 5mm  :lol:

(They are being changed at the end of the month).

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