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| Wabby |
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 Wabby Trackday Trickster
Joined: 25 Sep 2007 Karma :    
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 Posted: 09:46 - 21 Mar 2010 Post subject: Tyre Pressures: Road; Pirelli Dragon Supercorsa Pros? |
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Anybody have a base setting for these?
Slapped some race scrubs on me 400 yesterday and just want a starting point for pressures front and rear?
Fast road riding only. (But nothing like track pace )
Cheers  ____________________ What restriction? |
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| iooi |
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 iooi Super Spammer

Joined: 14 Jan 2007 Karma :    
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 Posted: 09:56 - 21 Mar 2010 Post subject: |
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Tried the Pirelli site for what they recomend.
A quick google brings up any thing from 31F - 31R to 29F - 25R ____________________ Just because my bike was A DIVVY, does not mean i am...... |
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| G |
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 G The Voice of Reason
Joined: 02 Feb 2002 Karma :     
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 Posted: 11:04 - 21 Mar 2010 Post subject: |
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Those settings are what would normally be used for track work - generally the desired temperature is 35 degrees when hot.
On the road I tend to go for 35 when cold - this should aid warm up a little.
However, I wouldn't trust that as right as that's what I tend to go for, for all tyres .
As I've mentioned before - the first time I got a 4th place racing (which is my best finish) half way through the race I realised my tyres were still at over 50psi and I still did ok, so you've got to be more on the limit than I was then for it to REALLY matter . |
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| and |
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 and World Chat Champion
Joined: 26 Sep 2007 Karma :     
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| ms51ves3 |
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 ms51ves3 Super Spammer

Joined: 08 Jun 2007 Karma :     
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| neatbik |
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 neatbik World Chat Champion

Joined: 27 Jun 2007 Karma :  
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 Posted: 12:08 - 21 Mar 2010 Post subject: |
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Try 32 psi front/36 psi back and see how it feels.  |
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| MarJay |
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 MarJay But it's British!

Joined: 15 Sep 2003 Karma :     
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| ms51ves3 |
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 ms51ves3 Super Spammer

Joined: 08 Jun 2007 Karma :     
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| lonner |
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 lonner Spanner Monkey

Joined: 09 Jan 2009 Karma :  
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 Posted: 15:53 - 21 Mar 2010 Post subject: |
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im a great believer in oe pressures for road use.
and as your running race scrubs you gonna struggle to get enough heat in em so there more likely to give you a big moment.
strange thing i found with my sp2 and super sticky boots running 4-5 psi less was awful and the bike was all squirmy and lacked feel on the road but with oe pressure it was spot on.
id try oe for starters and let them down a couple of psi at a time
super sticky track tyres are not much good on the road as the heat that racing generates is what makes them work.
Last edited by lonner on 15:56 - 21 Mar 2010; edited 1 time in total |
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| chris-red |
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 chris-red Have you considered a TDM?

Joined: 21 Sep 2005 Karma :   
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| c-m |
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 c-m World Chat Champion
Joined: 12 May 2006 Karma :   
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| lonner |
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 lonner Spanner Monkey

Joined: 09 Jan 2009 Karma :  
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| Ste |
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 Ste Not Work Safe

Joined: 01 Sep 2002 Karma :    
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| G |
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 G The Voice of Reason
Joined: 02 Feb 2002 Karma :     
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| lonner |
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 lonner Spanner Monkey

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| G |
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 G The Voice of Reason
Joined: 02 Feb 2002 Karma :     
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 Posted: 13:17 - 22 Mar 2010 Post subject: |
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First off, I should clarify that personally if buying new I wouldn't buy race tyres for road use. That does push the 'value per mile' thing a bit too high to my mind. However, at the prices they can be got second hand and the good availability for a lot of the year means that race-scrubs can be a good choice.
Regarding the linked too article – it claims to be a 2009 article, yet is talking about rather old tyres I believe, which would make me question it generally for a start, never mind the agendas of tyre manufacturers etc. However, it's also missing the point that while race tyres tend to not be too far apart when hot, like road tyres their performance when in non-race conditions can vary massively.
As I've said, for a Pilot Race these preconceptions are absolutely correct in my experience – have to be gently warmed and don’t work well until they’re properly hot and can be lethal until then, but that’s not the same for Supercorsas that are very different.
If you’re using the Avons discussed in that article I suggest you take great care in ALL conditions, as in my experience they suck regardless of the situation .
It also talks about the lack of tread causing problems in the rain – it’s very rare for a motorbike to aquaplane, as they have a very small contact patch anyway. In my experience it’s more likely for the tyre to just not have enough grip.
Tread is useful for warming a tyre up – it lets the rubber move more. I believe this is one of the reasons for ‘block pattern’ wets which don’t seem to move more water, but they should let the rubber flex a lot more, which gets it up to temperature better.
On the road I hope not to put to use the little skills I have for ‘feel’ as far as when a tyre is going to let go etc – I’m actually quite sceptical about a lot of ‘feel’ that some people describe - possibly being paranoia more than anything else . Anyway, I hope not to be in a situation where the tyres going to let go because I try not to intentionally get near those limits too much , however I still want a tyre that offers very good grip in all conditions and is as smooth and controllable as possible when it doesn’t have it.
Yes, race tyres do tend to make a bike turn a bit faster, but then this is something people pretty regularly try and achieve on their sports bikes regardless of tyres. |
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| evoboy |
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 evoboy World Chat Champion

Joined: 20 Aug 2009 Karma :    
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 Posted: 13:46 - 22 Mar 2010 Post subject: |
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Tend to use 36f/42r on all my road tyres on the zx6, never had a problem with warm up (nice and quick), grip levels or blistering.
For track work i drop the pressures to 32f/30r.
In the x7 i run 32f/36r. ____________________ Suzuki GT250 x7------- Fazer 600------CB250RS------Aprilia Rally 70----- Bandit 600
APT Motorcycles |
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Old Thread Alert!
The last post was made 16 years, 194 days ago. Instead of replying here, would creating a new thread be more useful? |
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