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Sidewalls of tyres
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
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United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3
Sidewalls of tyres

Hi

May i ask a daft question please Whistle

I’ve often wondered what would u consider the narrowest sidewall depth of tyre before it becomes classified as a low profile and also detrimental as in ride quality , increased damage from potholes etc etc plse

Once again please forgive me for asking a daft question

Many thks in advance Bow down

This post has been edited by the site administration team
Daft question moved to 'Wheels & Tyres'
   
Post #214552212th May 2020 3:47 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
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England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

The figure 60 is a ratio of the width I think. So it's not easy to state. Well its not an easy question to answer anyway!

When the tyres look like rubber bands you have gone too far Laughing
  
Post #214552612th May 2020 3:57 pm
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lynalldiscovery
 


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To truly understand take a ride in any Audi with S line spec, then understand why it is stupid Mr. Green
  
Post #214553212th May 2020 4:18 pm
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Trailered Movements
 


Member Since: 16 Jan 2020
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United Kingdom 2011 Discovery 4 3.0 SDV6 Commercial Auto Sumatra BlackDiscovery 4

Before we had all these 'lower profile' tyres, the standard size was an 80 profile (80% of the tyre width as a sidewall height).

In the 70s a 70% aspect ratio became quite common, however personally when Pirelli introduced the P6 with a 60% ratio I personaly consider it to be the first 'low profile' tyre.

So my own view is anything with a 60% or lower is low profile, however this is not necessarily 'law'.

Dave
 2011 Discovery 4 Commercial SDV6 (Gone)
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Post #214553412th May 2020 4:21 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
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England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

with progress a lot of average cars got bigger wheels.

It's not uncommon to see 40 profile. (which I would call low profile)

I'm sure all average cars are at least 60 now.

Not sure about off roaders
  
Post #214553712th May 2020 4:25 pm
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al cope
 


Member Since: 08 Nov 2005
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England 

Yep, agree with TM (Dave) as I consider the first "low profile" type to be the 60's (I had 185/60x14's on my Cav SRi and missus's XR3i). Come a long way as my D5 has 285/40x22's as standard

Al
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Post #214554612th May 2020 4:49 pm
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riverblanche
 


Member Since: 31 Aug 2010
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England 2008 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
Re: Sidewalls of tyres

gstuart wrote:
the narrowest sidewall depth


Are we talking % ratio or actual size MM Question

as a 205x60 tyre has a side wall of 123mm
and
a 275x45 tyre has a side wall of 123.75mm

I liked 255x55 (they were on 20" wheels on the RRS) so that was a side wall of 140mm

just an alternative view Laughing Thumbs Up
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I plan on living forever and so far so good !

Club DG Mclaren stuff
 
Post #214556012th May 2020 5:21 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
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United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hiya

Many thks Bow down

Suppose best way I can explain it is the distance from the ground to the rim , or lack of it as the case may be Whistle

Would u describe that as the height of the sidewall plse

Can often see tyres on 4x4 where u would think one deep pot hole and that’s a goodnight to the rims

Hopefully that sort of makes sense , know I can be terrible sometimes trying to explanation things properly

As always am extremely grateful Thumbs Up

Ps, appreciate it being moved to the correct section , thk u Thumbs Up
   
Post #214557312th May 2020 6:13 pm
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Pete K
 


Member Since: 15 Jan 2016
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you looking for new rims ? Laughing
  
Post #214558112th May 2020 6:31 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
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United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Wouldn’t mind later getting some 18inch rims so can do the V8 brake upgrade Whistle
   
Post #214561112th May 2020 8:07 pm
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PROFSR G
 


Member Since: 06 Mar 2017
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Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Here you go Gary, good value!!

https://www.disco3.co.uk/forum/sale-4-x-19...87929.html
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #214562812th May 2020 8:41 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hiya

Indeed are very nice , but alas can’t afford them at the moment

Ps, hope ur keeping safe and well mate
   
Post #214567412th May 2020 10:34 pm
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