rear tyre squaring off? - Page 2 - SV650.org

ethariel · 23-07-06, 10:39 PM

My original Dunlops were squared off at about 5000 ish too. Z6's fitted and the difference is huge.

23-07-06, 11:07 PM

how do you know when a rear tyre is no longer legal?
I have a Diablo on mine which has worn to nothing on the tread next to the centre, but has loads on the rest of the tyre.
the 40mm strip in the centre with no tread, is starting to look a bit rough, so think I will just get a new one but whats the legal on this ?

24-07-06, 05:45 AM

didn't you do your theory test? :P

legal depth is 1mm around the middle 75% of the tyre band...

northwind · 24-07-06, 05:47 PM

I believe it's 1mm over 75% of the width, not 1mm over the middle 75% specifically, around the whole circumference.

24-07-06, 09:47 PM

Quote:

didn't you do your theory test?

in a word - no![/quote]

24-07-06, 11:20 PM

Quote:

Originally Posted by northwind

I believe it's 1mm over 75% of the width, not 1mm over the middle 75% specifically, around the whole circumference.

interesting, my das people always quoted the middle 75% but i'm not sure if they're correct...

24-07-06, 11:30 PM

Quote:

Originally Posted by xrphil

how do you know when a rear tyre is no longer legal?
I have a Diablo on mine which has worn to nothing on the tread next to the centre, but has loads on the rest of the tyre.
the 40mm strip in the centre with no tread, is starting to look a bit rough, so think I will just get a new one but whats the legal on this ?

Get it changed, mine wore through to the canvas before I could get changed. Had drive from Manchester to Wrexham on a very dodgy tyre.

northwind · 24-07-06, 11:33 PM

Hang on...

(iij The depth of tread is not at least Imm throughout a continuous circumferential band measuring at least three quarters of the breadth of the tread, (see information column).

(Tyres which do not meet the three-quarters width rule when new must have a minimum of 1 mm tread over the whole of the original tread pattern.)

From the MOT regs.

25-07-06, 06:57 AM

heh, so i guess you can wear out your tyre on one edge legally

be interesting to put that to a bib if they pull you over though!

24-07-06, 05:47 PM	#14
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	I believe it's 1mm over 75% of the width, not 1mm over the middle 75% specifically, around the whole circumference. __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

24-07-06, 11:33 PM	#18
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	Hang on... (iij The depth of tread is not at least Imm throughout a continuous circumferential band measuring at least three quarters of the breadth of the tread, (see information column). (Tyres which do not meet the three-quarters width rule when new must have a minimum of 1 mm tread over the whole of the original tread pattern.) From the MOT regs. __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

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23-07-06, 10:39 PM	#11
ethariel Member Join Date: Jul 2005 Location: London (for my sins) Posts: 806	My original Dunlops were squared off at about 5000 ish too. Z6's fitted and the difference is huge.

23-07-06, 11:07 PM	#12
xrphil Guest Posts: n/a	how do you know when a rear tyre is no longer legal? I have a Diablo on mine which has worn to nothing on the tread next to the centre, but has loads on the rest of the tyre. the 40mm strip in the centre with no tread, is starting to look a bit rough, so think I will just get a new one but whats the legal on this ?

24-07-06, 05:45 AM	#13
muffles Guest Posts: n/a	didn't you do your theory test? :P legal depth is 1mm around the middle 75% of the tyre band...

25-07-06, 06:57 AM	#19
muffles Guest Posts: n/a	heh, so i guess you can wear out your tyre on one edge legally be interesting to put that to a bib if they pull you over though!