Renault Laguna II - Phase 1 - Wheels and Tyres - 17" Sport Tourer Alloys + Reinforced Tyres ? - Page 2 - Renault Forums :: Independent Renault forum

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post #6 of 19 (permalink) Old 25th February 2006
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Han is spot on ( and also our local tyre guru )

Looking at the facts

Sport Tourer =

Length (mm) 4695
Width (mm) 2060
Height (mm) 1443
Unladen weight 1350
Boot Capacity (litres) 1781

Hatchback =

Length (mm) 4576
Width (mm) 2060
Height (mm) 1429
Unladen weight 1280
Boot Capacity (litres) 1334


I have always ran the tyres suitable for the hatchback ( as they are a lot less expensive ) with no problems at all ( current mileage 116k )..

Another Question ( more with the design side of the tyre )

Do the reinforced tyres have a harder compound of rubber aswell as improved side wall design / strengthening ? i.e. would they last longer ( assuming everything else is equal ? )
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post #7 of 19 (permalink) Old 26th February 2006
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L20, If a tyre manufacturer had the same size in standard and in extra load, I doubt the compound would be changed. However, if one were made for the replacement market only and one was made for an Original Equipment supply then these could have different compounds, which would not only have different wear but also other different characteristics, e.g Wet grip, dry grip etc. When I say different apart from wear (which we all could quantify) the other differencies may only be perceptible by a trained test driver on a test circuit, you and me included, would probably not notice.

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post #8 of 19 (permalink) Old 26th February 2006
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HI All I think you will find that renault have used the Exrta load rated tyre to help sort out the tyre pressure monitor system.
With the extra load tyre it does not compress the tyre body as much as a std one over defects in the road and put the dreaded tyre pressure monitor light on.
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post #9 of 19 (permalink) Old 26th February 2006
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It's not just Renault that use reinforced tyres now.I think it is due to the demand for big wheels and low profile tyres and to offset the possible damage done to wheels by current state of the roads in this country.If you hit a pothole the tyre protects the rim from possible damage,although in Laguna 2's with silverstone alloys this may not have happened.....................

I'd rather push my Alfa than drive a BMW....
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post #10 of 19 (permalink) Old 2nd March 2006
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I have just bought two Kumho KU19 225/45 R17 94Y RF asymmetric from mytyres for 74.00 each .. ordered them online monday got them today.. don't know if price is good and still got to take into account fitting and balancing.
All because i kerbed both front tyres and damaged the sidewall and to make matters worse they are both mitchelin primacy with at least half the tread left. grrrr!!
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alloys , reinforced , sport , tourer , tyres

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