"In this case, Pirelli turned to a company that already produces kart tyres (the Italian company Le Cont) to satisfy the request of the former Ferrari driver. The photographed tyres definitely have the Pirelli logo, but were materially produced by Le Cont.
It is true, as pointed out by Mario Isola in the interview that you can listen to below in its entirety, that Alonso’s request rekindled the fire, that was never completely dormant, of Pirelli’s interest in karting."
Aus:
http://tkart.it/en/editor/exclusive-pir ... ole-truth/