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tyre profile for zx6r

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Groove
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Joined: 10 Feb 2005
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PostPosted: 18:08 - 09 Nov 2008    Post subject: tyre profile for zx6r Reply with quote

My bikes 50 miles away and im looking at new tyres.

Will be getting the Conti Road Attacks more than likely, only thing is i dont know whether to go for the 60 or 70 profile on the front?

Internet says 120/65 but cant see that size for the Road Attacks on ebay.

So whats the better choice?
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|| Past: 1991 Kawasaki ZXR 250 ~ 2003 Honda CBR 600 F Sport ~ 2004 Kawasaki ZX6R B1H 636 ~ 1999 Yamaha R1 ~ 1999 Kawasaki ZX6R J ~ 2004 Kawasaki ZX6R B1H 636 ~ 1998 Honda VTR1000F Firestorm ~ K1 GSXR 600 Track bike ~ K6 GSXR 1000 ~ 2006 Speed Triple 1050 || Current: 2005 R1 https://www.adrucore.co.uk
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R6jonny
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Joined: 28 Jan 2005
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PostPosted: 19:41 - 09 Nov 2008    Post subject: Reply with quote

60 profile will turn quicker/be less stable, 70 profile the opposite. The differences will be pretty small though.

the only possible issue with a 70 is that it may have clearance issues with the mudguard

that is as much as i know sorry

John
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rotax81
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Joined: 10 Sep 2008
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PostPosted: 19:42 - 09 Nov 2008    Post subject: Reply with quote

your choice is limited with 65 profiles, i needed track tyres so opted for 70 profile and to be honest i couldnt notice the difference.
people say drop the front by 5mm to compensate but i didnt have to Thumbs Up

fitting tyre warmers is very tight though but still possible.
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ZX636C6F road. ZX636C1H track. ZX7R redundant. ZX0.5R minimoto as ornament.
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G
The Voice of Reason



Joined: 02 Feb 2002
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PostPosted: 19:59 - 09 Nov 2008    Post subject: Reply with quote

R6jonny wrote:
60 profile will turn quicker/be less stable, 70 profile the opposite. The differences will be pretty small though.

Other way around - 70 profile will be 'sharper', so will turn quicker than the 'flatter' 60 profile.
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rotax81
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Joined: 10 Sep 2008
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PostPosted: 20:57 - 09 Nov 2008    Post subject: Reply with quote

G wrote:


Other way around - 70 profile will be 'sharper', so will turn quicker than the 'flatter' 60 profile.


it is 'sharper' with a 70 but the taller tyre makes the front of the bike slightly higher therefore compensating by making it turn slower lol

= very very slight difference if any Very Happy
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ZX636C6F road. ZX636C1H track. ZX7R redundant. ZX0.5R minimoto as ornament.
Audi A4 Avant 1.9TDi and VW Transporter 2.5TDi 888 Special (no mot and tax lol)
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Wafer_Thin_Ham
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Joined: 18 Nov 2005
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PostPosted: 07:19 - 10 Nov 2008    Post subject: Reply with quote

rotax81 wrote:
G wrote:


Other way around - 70 profile will be 'sharper', so will turn quicker than the 'flatter' 60 profile.


it is 'sharper' with a 70 but the taller tyre makes the front of the bike slightly higher therefore compensating by making it turn slower lol

= very very slight difference if any Very Happy


The profile of the tyre should be higher though, as 70 % of 120 = 84mm

whereas 65% of 120 = 78mm.

That's assuming they both come down to the same point at the sides. If so then the 120/70 has further to go than the 65 and so will have a more pointy profile.

In conclusion it makes very little difference. Laughing
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R6jonny
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Joined: 28 Jan 2005
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PostPosted: 17:10 - 10 Nov 2008    Post subject: Reply with quote

rotax81 wrote:
G wrote:


Other way around - 70 profile will be 'sharper', so will turn quicker than the 'flatter' 60 profile.


it is 'sharper' with a 70 but the taller tyre makes the front of the bike slightly higher therefore compensating by making it turn slower lol

= very very slight difference if any Very Happy


Thats what i meant
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G
The Voice of Reason



Joined: 02 Feb 2002
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PostPosted: 17:19 - 10 Nov 2008    Post subject: Reply with quote

rotax81 wrote:

it is 'sharper' with a 70 but the taller tyre makes the front of the bike slightly higher therefore compensating by making it turn slower lol

= very very slight difference if any Very Happy

Indeed, people will often drop the forks a little to compensate.

Technically a higher profile will also give more grip while leant over, but again, only a slight difference.
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R6jonny
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PostPosted: 17:39 - 10 Nov 2008    Post subject: Reply with quote

I think we can sum this thread up with,


"It wont make a blind bit of difference"
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"simply because she is a female and is thus her actions largely make no sense whatsoever by default"
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mr.kris
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Joined: 11 Nov 2007
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PostPosted: 21:06 - 10 Nov 2008    Post subject: Reply with quote

you are corect i run a 70 ensted of the 65 on my J2 and it makes no difrence enless you are on a track so dont worry
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