Originally Posted by
Corse-R
Uhm... if are like the ones being used on the European Championship... I could say that are Aluminium heads, the unique is that are drilled to be lighter, but not Magnesium.
They are magnesium, Jilles was using it... Here is part of an interview he did with
redrc:
"Commenting on the new magnesium head from Sirio which he ran in the 2nd and 3rd sessions Groskamp said, ‘It felt actually really really good. I talk later with Sirio and see what we are going to do with the head but it was really good. Tomorrow we are going to try it again."
And a pic: