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Old 01-13-2013, 05:54 PM   #1 (permalink)
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205/50-15 245/45-16 RE-11

My 2006 Elise with standard wheels/suspension needs new back tires and I am considering my options.

I am considering the 15X7 and 16X8 Ethos wheels with 205/50-15 and 245/45-16 Bridgestone RE-11. This combo should save about 11 lbs. and maintain similar tire diameters. Would this be a good set up for street use?

Jason
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Old 01-14-2013, 05:19 AM   #2 (permalink)
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Is anyone running 15/16 on the street?

Jason
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Old 01-14-2013, 05:48 AM   #3 (permalink)
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I run a 15/16 at times on the street. I have a few sets of wheels with different tires. I have one set that is for solo only and those are 15/16. I have another set of 15/16 that have R888's on them and I use them on the street for sporty driving. I finally have a set of 16/17 in LSS sizes with some all season tires for general use.

Both sets of 15/16 use a 225/45-15 front and 245/45-16 rear and they work very well. The effective diameter is a bit smaller than the 16/17 size combo so the car gets lowered about 1/4" with the 15/16's.

I get a very light tire rub on the front tire with it brushing the sway bar when at full lock. Just leaves some scuffs on the bar.

I really like the handling with the 15/16 set up and it looks just right to me.

I hope this helps.

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Old 01-14-2013, 06:37 AM   #4 (permalink)
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RE-11's are a great tire. I went from AD07's and had no idea that my car was so quiet, road so well and actually had a lot of grip.

But then I went to R888's and have never looked back. Neck breaking grip, even better ride and are fairly quiet too. (especially compard to AD07's which I have to say were the worse tires I have ever owned) But you cant go 90 inthe rain, but the speed limit has always worked for me.

Regardless of the tire, a alignment is everything. I went from getting 3000 miles on my rear tires to currently have 7000 on my rears and still plenty of tread. And thats on a R rated tire
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Old 01-16-2013, 12:39 PM   #5 (permalink)
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15/16's are great. For street i prefer 205/55-15 because it fills the front wheel wells better and gets the chin up off the ground, but i would not do that for track because you'll likely end up with some rubbing issues because of how hard you can lean the car on sticky tires. 245/45r16 in back is the way to go. I'm on rota slipstreams.
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Old 01-16-2013, 01:02 PM   #6 (permalink)
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Arnt the Ra-1s avail in sizes appropriate for 15/16. I know many prefer these to r888s for streetable r compounds.

Re11s are fantastic all around street tires. I think they are pretty much the only option for street performance tires in 245-16. 930 guys rejoiced when they became available.
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Old 01-17-2013, 04:33 AM   #7 (permalink)
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Quote:
Originally Posted by amazingjason View Post
My 2006 Elise with standard wheels/suspension needs new back tires and I am considering my options.

I am considering the 15X7 and 16X8 Ethos wheels with 205/50-15 and 245/45-16 Bridgestone RE-11. This combo should save about 11 lbs. and maintain similar tire diameters. Would this be a good set up for street use?

Jason
running a 15/16 front/rear combo isn't unstreetable at all... you will be fine

however, you will have a very limited tire selection in a 16 rear (no 235 option, & very limited 245/-255+ options... 225's are plentiful in 16's though)

you should also factor in higher rpm's as you cruise around unless you account for the smaller rim size with a taller tire sidewall

i'm running staggered 16's on all 4 corners (205/45 in front, & 245/45 in rear)

the even though both tires are 45 height the wider rear is visually taller... which gives a slight rake in stance

with that said, because of the rim/tire size combo im running i notice about a 500ish RPM fluctuation in higher revs & its pretty noticeable when traveling at interstate speeds

if I ran a taller sidewall i could negate the higher revs though... but then i would sacrifice sidewall flex on the track

had i not bought the car with these rims i would have preferred a 16/17 combo (17's offer a much better selection in tire width for the rears)... unfortunately 17's with our 4 bolt lug pattern aren't very available
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Last edited by driftwood; 01-17-2013 at 04:46 AM.
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Old 01-18-2013, 05:42 AM   #8 (permalink)
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According to tirerack specs, the fronts would be .4" smaller in diameter and the rears would be .2" smaller in diameter than stock. Lowering the front by .2" and the rear by .1" doesn't seem too significant.

Jason
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