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Old 08-11-2010, 03:10 PM   #1
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Default Widest tyre to fit a rim size

Hi guys,

Please advise me what is the widest tyre which could fit the following rim size:

1. 6.5jj

2. 7jj
3. 7.5jj
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Old 08-12-2010, 12:15 AM   #2
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Default Re: Widest tyre to fit a rim size

1. 6.5jj = Min 185 ; Ideal 195 or 205 ; Max 215
2. 7jj = Min 195 ; Ideal 205 or 215 ; Max 225
3. 7.5jj = Min 205 ; Ideal 215 or 225 ; Max 235
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Old 08-12-2010, 11:39 AM   #3
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Default Re: Widest tyre to fit a rim size

THANKS BRO
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Old 10-04-2010, 10:12 PM   #4
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Default Re: Widest tyre to fit a rim size

How about
1. 8jj
2. 8.5jj
3. 9jj
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Old 10-04-2010, 11:02 PM   #5
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Default Re: Widest tyre to fit a rim size

1. 8jj = Min 215 ; Ideal 225 or 235 ; Max 245
2. 8.5jj = Min 225 ; Ideal 235 or 245 ; Max 255
3. 9jj = Min 235 ; Ideal 245 or 255 ; Max 265
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Old 10-08-2010, 06:37 PM   #6
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Default Re: Widest tyre to fit a rim size

okay..thanks for the info
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Old 11-30-2010, 02:28 PM   #7
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Default Re: Widest tyre to fit a rim size

guys, i bought this second hand rim which has 7.5jj and the tyres fitted wuz 245/45/18. Is it ok if i replace with the same spec? The tyre seems to be holding on fine.
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Old 11-30-2010, 08:28 PM   #8
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Default Re: Widest tyre to fit a rim size

it only effect your poket......tyre price and fuel consumtion bcoz widest tyre friction..
it yr choice,if ur capable u can replace with same spec..
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Old 12-01-2010, 11:09 AM   #9
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Default Re: Widest tyre to fit a rim size

just tried fitting it into the car and guess wat it wont fit with 245/45/18.

would 245/40/18 be safe on 7.5jj since currently it's using 245/45/18
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Old 02-20-2011, 09:42 AM   #10
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Default Re: Widest tyre to fit a rim size

shoud've been more specific.different car, different fitment. aspect ratio for an evo and r32 is different.245 on a 7.5jj is considered too wide.225/40 should fit nicely
hoho...
when wanna go tt?
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Old 02-20-2011, 12:36 PM   #11
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Default Re: Widest tyre to fit a rim size

Asking an advice,
I have a 17 X 8.5jj offset +30 for the rim.

Which the best fit tyre for it?
1. 235/45/17 or
2. 245/45/17

My intention is to protect the rim also.
Seem the 245/45/17 kinda hard to find in my place.

Thanks in advance
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Old 02-21-2011, 05:09 PM   #12
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Default Re: Widest tyre to fit a rim size

Fitting what width tyres to a rim, depends on their aspect ratio also.
Does not mean 225 will fit 8JJ better or 7JJ better.
For example 235/45/R17 will fit 8JJ, but 235/55/R17 will fit 7.5JJ better
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Old 02-22-2011, 02:40 PM   #13
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Default Re: Widest tyre to fit a rim size

Quote:
Originally Posted by vr2turbo View Post
Fitting what width tyres to a rim, depends on their aspect ratio also.
Does not mean 225 will fit 8JJ better or 7JJ better.
For example 235/45/R17 will fit 8JJ, but 235/55/R17 will fit 7.5JJ better
also dont forget it also depends on what car as well.different car have different wheel arch size as well maximum width where by ideally a certain size is good for a particular rim but it wont fit the car due to width issues...
just my mili cents....
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Old 02-22-2011, 03:01 PM   #14
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Default Re: Widest tyre to fit a rim size

Quote:
Originally Posted by r3dster View Post
also dont forget it also depends on what car as well.different car have different wheel arch size as well maximum width where by ideally a certain size is good for a particular rim but it wont fit the car due to width issues...
just my mili cents....
Topic is on what size tyres fits what rim size.
For fitment to cars, always work from original tyre size, then whether plus 1 or plus 2 factor, then work out tyre wide and tyre aspect ratio, not to be more than 3% over the original diameter
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Old 02-27-2011, 09:43 PM   #15
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Default Re: Widest tyre to fit a rim size

Hey guys..

I'm currently running 215/45 17" on a 7.5JJ offset +35 rim (Evo brembo on a Lancer CS5 4G93T)

I want to change to 8jj rims where there are alot of +35 offset sizes, BUT don't want to put 225/45 tyres on them because sure to rub my fenders (roll already!) when I go track (must set coils to a lower setting to be ideal)

Is it possible to run 215/45 17" on an 8jj and safely go to TRACK and up and down NSHW from JB-Penang once in a while, ie. drive like gila? lol
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