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basshead
X-TRAIL HOLIC
Date Registered: 02-2004
Location: Panania, Sydney
TOTAL POSTS: 2852
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Re: bigger rims WOW
Harry, that sounds about right... Except I though the rubber usually went wider with larger diameter, too.
The only thing you need to remember is that as you go larger diameter, the rim also tends to go wider... That is why there was so few choices available for the 18x7 inch wheels I had on my pulsar... The rubber was 215/35, yet standard was something like 195/55R15. For me to get a wider tyre, and have more selection of rubber, I would've needed a 7.5inch wide rim, which were alot more popular in 18inch diameter, but having it that wide would've been illegal. (Legally, you can only go 1 inch wider than standard (as per RTA regulations in NSW, yet some insurance companies only let you go half an inch wider)).
Another thing that gets confusing is that the X-Trail has two standard wheel sizes - the 15 and 16inch diameter, with the 16inch being half an inch wider than the 15inch. Which one can you legally go 1inch wider? I'd say the higher of the two, as it is a standard size available from the dealer/manufacturer...
There's also the issue of how large a diameter you can go - the RTA regulations on this were abit vague - it didn't actually specify a "plus 2" (15inch to 17inch) or "plus 3" (15inch to 18inch) as the maximum, but based it on rolling diameter not exceeding 15mm (from memory) more than standard. Some police officers will defect you if you have more than a "plus 1" as their understanding or interpretation of the RTA rules is different to what you or I would interpret it as (which is why I always kept a copy of the RTA regulations on wheels in my glove-box Fortunately I never needed to show it to them).
I think I still have the document on my hard drive somewhere, otherwise it would be available on the RTA website.
--- Rich. X-013(c)
'04 S2 ST Auto. Nudge_roofracks_tow_tints_Lightforce_GME_YokoGeoA/T-S_TBS_bashplate_50mm-spacer-lift
Click here to see >300MB of photos and videos All For His Glory.
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22/Oct/2004, 5:16 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: bigger rims WOW
quote: harryzell wrote:
I think it's a fairly straightforward system - the more you add to one number, the more you need to reduce the other
My ST currently has 215/70 15" (from memory).
A Ti has 215/65 16", thereby keeping the same rolling diameter.
To go to 17" rims, you would need 215/60 (or 225/55 would also work, if they're not too wide.)
Therefore 18" rims would need 215/55 18" tyres (or 225/50, 235/45 etc etc.)
This is how I understand it anyway. Can anyone confirm/correct me?
You're spot on with the 15" and 17" tyre sizes, in fact I've seen 17" alloys being sold at eBay for an exy with tyres and they were (255/55-17)
When I used the tyre size calculator to see if they would fit here's what I got:
Tire Size Comparison
Specification Sidewall Radius Diameter Circumference Revs/km Difference
215/70-15 150mm 341mm 682mm 2143mm 467 0.0%
225/55-17 124mm 340mm 679mm 2134mm 469 -0.4%
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22/Oct/2004, 7:06 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: bigger rims WOW
Very nice hscher,
What brand rims are these?
Last edited by jalalski, 5/Apr/2005, 3:46 pm
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4/Apr/2005, 11:20 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: bigger rims WOW
Boyz,
I just scored a set of 4 new 2004 Ti 16" alloys. =D
Guess how much?
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5/Apr/2005, 3:45 pm
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harryzell
X-TRAIL ENTHUSIAST
Date Registered: 08-2004
Location: Adelaide, SA
TOTAL POSTS: 168
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Re: bigger rims WOW
Knowing how good you are at this Jalal, I'd say well under $500.
But I have no idea what RRP is on them?
Didn't you just buy 4 new 15" tyres??
Cheers
Brenton
--- ***********
T30 ST manual, Burgundy
http://www.hr4wdclubsa.org.au
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5/Apr/2005, 4:31 pm
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