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Old 10-30-2008, 08:25 AM   #1
TxBritt08R1
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2004 R6 front tire sizes, Bridgestones, etc..

1. Morning!

2. About a year ago I had a matching set of PP 2CT's installed on my bike at Tejas. I think, *THINK* that after all this time, I've been riding on the wrong front tire. I've got a 120/70ZR17, and I'm pretty sure that my model bike came with a 120/60... Everything fits and nothing rubs, but I'd still rather run what I'm supposed to.

3. I'm thinking about doing away with the 2CT's and going with a set of BT016's. I got about 10k out of the Michelins, but I really have no use for them as I don't ride hard enough to really need them. ( No track days, commute 7 days a week, etc.. ) If I can get a less expensive tire and get more miles, that'd be great.

Ya'll's thoughts?

Britt
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Originally Posted by Sifu-TZ
...I'm glad it's such a boring sport, what would it be like if they watched something a little more interesting, like football? they'd just spontaneously combust on the spot...
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Old 10-30-2008, 09:58 AM   #2
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TTT
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For the wages of sin is death; but the gift of is eternal life through Jesus Christ our Lord. Romans 6:23
Originally Posted by Sifu-TZ
...I'm glad it's such a boring sport, what would it be like if they watched something a little more interesting, like football? they'd just spontaneously combust on the spot...
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Old 10-30-2008, 10:13 AM   #3
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1) Yup, the front on the 04 r6 is 120/60. I run the 70 on mine, which after you raise the back is better on the track.

2) Yup, the 2CT is a waste for anything sans the track. Have you thought about the Pilot Road's? I had some on an sv650 that went 14k with plenty of meat left on them before I sold it.
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Old 10-30-2008, 10:15 AM   #4
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I run a 70 in the front as well.
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Old 10-30-2008, 10:20 AM   #5
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You got 10K miles out of a 2CT??


A BT-016 is defenitely not the tire you want to run if your commuting. That's a pretty soft street tire, won't last but a few thousand miles.



Go with the BT-021 or Pilot Road tire

Last edited by Hooligan; 10-30-2008 at 10:22 AM.
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Old 10-30-2008, 12:56 PM   #6
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Pilot Road 2s... and the 120/70 is a taller tire that has more "sidewall". It's better (and more common). Look at what all the other makers put on the front of their bikes. , even Yamaha put the 70 on the 05 R6.

I swapped from the 60 to the 70 on my 03 R6 and lowered the triples to make up for the difference in height (raising the back made the bike too high for my tastes).

IMO, stick with the 70, especially if you've been riding on that size for 10K miles and are used to it.
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Old 10-30-2008, 03:22 PM   #7
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Yamaha put a 120/60 tire on that bike to make it feel like it had better turn in. Basically....it covered up inadequacies in the chassis. Stick with the 120/70.
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Old 10-30-2008, 05:49 PM   #8
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Quote:
Originally Posted by Blue91 View Post
Pilot Road 2s... and the 120/70 is a taller tire that has more "sidewall". It's better (and more common). Look at what all the other makers put on the front of their bikes. , even Yamaha put the 70 on the 05 R6.

I swapped from the 60 to the 70 on my 03 R6 and lowered the triples to make up for the difference in height (raising the back made the bike too high for my tastes).

IMO, stick with the 70, especially if you've been riding on that size for 10K miles and are used to it.
Quote:
Originally Posted by po-po 5.0 View Post
Yamaha put a 120/60 tire on that bike to make it feel like it had better turn in. Basically....it covered up inadequacies in the chassis. Stick with the 120/70.

But, aren't there differences between the fenders on the 04 and 05 models? There is only like a 1/16" gap between the tire and the fender - I once caught a rock in the tire and it sounded like it was splitting the fender open from the inside out. Also, is the bike's geometry off now that I've got a taller front tire? Do I need to raise the rearend to match, and how do I do that?

Britt
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For the wages of sin is death; but the gift of is eternal life through Jesus Christ our Lord. Romans 6:23
Originally Posted by Sifu-TZ
...I'm glad it's such a boring sport, what would it be like if they watched something a little more interesting, like football? they'd just spontaneously combust on the spot...
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Old 10-30-2008, 08:24 PM   #9
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Quote:
Originally Posted by TxBritt04R6 View Post
There is only like a 1/16" gap between the tire and the fender
Raise the fender up a bit- I drill out the holes a bit and then used some washers.

Quote:
Also, is the bike's geometry off now that I've got a taller front tire? Do I need to raise the rearend to match, and how do I do that?
You can "shim" the rear, it involves putting a 4-5mm washer where the shock bolts to the frame:

http://www.r6-forum.com/forums/showt...ght=shim+shock

Note: once you do this, pay no attention to how much more your bike leans when it is on the sidestand.
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Old 10-31-2008, 07:45 AM   #10
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Quote:
Originally Posted by TxBritt04R6 View Post
But, aren't there differences between the fenders on the 04 and 05 models? There is only like a 1/16" gap between the tire and the fender - I once caught a rock in the tire and it sounded like it was splitting the fender open from the inside out.
Possibly. I don't think its THAT tight though. could be wrong.

Quote:
Originally Posted by TxBritt04R6 View Post
Also, is the bike's geometry off now that I've got a taller front tire? Do I need to raise the rearend to match, and how do I do that?

Britt
Yes the geometry will be off a tiny bit. you'll need to raise the rear ride height slightly.
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Old 10-31-2008, 08:52 AM   #11
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Or do like I did and drop the front 8mm. I raised the rear and didn't like the difference in height.
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Old 10-31-2008, 09:06 AM   #12
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Quote:
Originally Posted by Blue91 View Post
Or do like I did and drop the front 8mm. I raised the rear and didn't like the difference in height.

Appreciate the suggestion, but I'd rather raise the rear to match height than lower the front. I'm going to stick with the 70 and just shim the rear shock mount.

Britt
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For the wages of sin is death; but the gift of is eternal life through Jesus Christ our Lord. Romans 6:23
Originally Posted by Sifu-TZ
...I'm glad it's such a boring sport, what would it be like if they watched something a little more interesting, like football? they'd just spontaneously combust on the spot...
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Old 10-31-2008, 10:55 AM   #13
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Quote:
Originally Posted by TxBritt04R6 View Post
Appreciate the suggestion, but I'd rather raise the rear to match height than lower the front. I'm going to stick with the 70 and just shim the rear shock mount.

Britt
to be honest, I doubt you'll even notice.
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