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Old 15-01-2008, 10:23 PM   #1
RJO89
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Default New rims for my Focus =D

Hey guys,

Just a quick question. I'm looking at getting new rims for my 07 CL focus (the hubcaps just don't do it for me!), and I just wanted to make sure that 17x7's will fit the car with no worries, with tires that'll probably be 225/45R17. That's not gonna have an effect on the speedo or anything is it?

Cheers

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Old 15-01-2008, 10:50 PM   #2
pertuan
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as long as the circumference of the tyres is the same as the stock wheels, the speedo will be ok.
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Old 23-01-2008, 09:22 AM   #3
twistedfirey
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There are a few tyre size calculators around like this..

http://www.euroshina.com.ua/calc.php...5&dn=17&lng=en
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Old 23-01-2008, 09:24 AM   #4
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oops try this.
http://www.euroshina.com.ua/calc.php...5&dn=17&lng=en
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Old 23-01-2008, 01:19 PM   #5
trenchtractor
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Stock tyre sizes off the plackard are as follows:

195/65R15
205/55R16
205/50R17

I'm not sure why you'd put 225's on a 7" rim, it might look 'cool', but you'll find the tread surface will distort during cornering causing poor performance and premature wear.

You should always try and fit a tread width that is the same as the rim width to prevent distortion. You'll have better wear, better cornering performance and your tyres will be cheaper.

I can't think of an easy way to describe it, so I drew a picture, and the scanner's not working so I took a photo!
Attached Images
File Type: jpg tyre-fitment.jpg (44.0 KB, 55 views)
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Old 23-01-2008, 01:41 PM   #6
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Here's a quick breakdown on tyre measurements...

205/55R16

205 = width of tyre in mm through the 'belly' (the bulge halfway between the bead and tread). NOT the width of the tread. Example, Jane's 195's have a tread width of only 170mm. It's the fattest part that 195mm.

55 = Profile, as a percentage of the width measurement (in this case 55% of 205mm). Measured from the bead, not the rim.

R = radial construction, as opposed to that old conventional construction.

16 = rim size measured in inches.

Load index = Load rating for each tyre. Ranges from 81 - 96, which equates to 462 - 710 kg/tyre respectively.

Speed = Speed rating. Ranges from N - Y, which equates to 140 - 300kph. Common speed rating for performance tyres is Z.

A point on the measurements... each manufacturer seems to take a slightly different interpretation on the measurements. That is to say a 205/55R16 is not always a 205/55R16.

But don't take my word for it, Tyrepower has a description of how to read it.
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Old 25-01-2008, 11:46 AM   #7
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What are you going to do with youre old hubcaps?, Im looking for a set.....

Quote:
Originally Posted by edgecrusher89
Hey guys,

Just a quick question. I'm looking at getting new rims for my 07 CL focus (the hubcaps just don't do it for me!), and I just wanted to make sure that 17x7's will fit the car with no worries, with tires that'll probably be 225/45R17. That's not gonna have an effect on the speedo or anything is it?

Cheers
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Old 25-01-2008, 06:29 PM   #8
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Quote:
Originally Posted by GSR
What are you going to do with youre old hubcaps?, Im looking for a set.....
Gonna keep them for when I sell the car, so that I can keep the rims. Sorry mate
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Old 25-01-2008, 11:42 PM   #9
GSR
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Quote:
Originally Posted by edgecrusher89
Gonna keep them for when I sell the car, so that I can keep the rims. Sorry mate
No worries, I thought that might be the case, but just thought to ask.
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