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BogMonster



Member Since: 05 Feb 2008
Location: Stanley
Posts: 403
Falkland Islands 2015 Defender 110 Puma 2.2 USW Corris Grey
jst wrote:
the 7.50 relates to the width in inches
if not stated i thought it was a 90 or 100% aspect ratio,? the aspect ratio is the height of the rubber between rim and out tyre tread (the sidewall), so for total tyre height there are two of them to add in. the % figure is a % of the width.
16 is the rim size inches


100% aspect ratio is also my understanding.

Bear in mind that "7.50R16" covers a range of sizes in practice, even within tyres that Land Rover fitted OEM. Sit one of the old 7.50R15 Michelin XS sand tyres alongside almost anything else in that size, e.g. the old Avon Rangemaster or one of the more recent Michelin road tyres like the Latitude Cross, and you'll find the XS tyre carcass is physically taller and wider. A skinny Michelin XZL is a cheese cutter by comparison, the contact patch is probably barely half the width and section width is less.

So it's all a bit of a fiction really. Most 7,50R16 are somewhere about 32" or so in diameter for a new tyre, depending on tread depth. ---
2006 Defender 110 SW 300Tdi • 2011 Ford Ranger XLT crewcab • 2015 Defender 110 Station Wagon Utility TDCi
Post #744115 5th Dec 2018 12:04am
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MC84



Member Since: 22 May 2016
Location: Near Bristol
Posts: 360
United Kingdom 2001 Defender 90 Td5 HT Chawton White
Thanks for the great input Guys. I'm now a tad wiser Thumbs Up Thumbs Up Thumbs Up Mike

Hard Top 90 TD5 2001
Ford 100e 1959
www.youtube.com/mikemakesit
Post #744656 8th Dec 2018 11:50am
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Paulcmccormack



Member Since: 23 Sep 2018
Location: Newcastle Upon Tyne
Posts: 48
United Kingdom 2010 Defender 110 Puma 2.2 CSW Zambezi Silver
If your tyres are looking a bit thin and your wheels are in need of updating why don't you just get a tyre and wheel package.
There are a million sets on ebay/web to choose from. It is Christmas after all.

https://www.4x4tyres.co.uk has a set of boost or sawtooth for 107 each and about 200 depending on tyre choice as a package.
The offset for your car is 33 (Boosts) so a 20 will push the steel out bu 13mm.

This is probably the simplest and everything just works.
Post #744658 8th Dec 2018 12:34pm
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