Blue R888's?

[ventura]

Hi Guys

Back after an evening session from brands and car has not been used since. Looking at the tyres today, i noticed that the outside of the tyres have a blue colouring to them. Has anyone noticed this happening to them? Also would it be to them be under/over pressured and heat build up on the edge of the tyre?

 

[JamesT87]

I had this on my saxo is cause from over heating.

 

[Fred@BTM]

what pressures were you running?

 

[ventura]

25psi

 

[Fred@BTM]

hot?

 

[Ian_s]

Mine do this running 28-30 psi hot, ive seen loads of other do it too.

 

[ventura]

I take it the tyres will still be ok to do another track day etc

 

[ElkWorks]

on bikes its to do with heat cycles of the tyre, so im guessing its summat to do with that...

 

[Tony Hunter]

Was it 25 hot or cold?

Our Dunlops go like this sometimes around the edges,but they do get lent a fair bit.

 

[chrispy.clio]

25psi

If thats 25 cold then i would think they have got very hot and been well over the 30psi reccomended running temp. Get a picture up of the tyres to show how blue it is

 

[Terry172]

Was it 25 hot or cold?

Our Dunlops go like this sometimes around the edges,but they do get lent a fair bit.

Hopefully he comes back with the answer hot.....

 

[zxrpaul]

i wouldnt be worried mate its oils used in the process of making the rubber coming to surface after few heat cycles like elkwork said. ive had it on my motorbike tyres few times.