Join Date: Aug 2011
Location: southern Arizona, USA
Thanked 407 Times in 317 Posts
The classic advice is to not mix radial and non-radial tires. Is the Pirelli a radial (has R in the tire info)?
I have used up old tires on bikes that I did not ride hard, but I was pretty cautious of the handling.
John '14CB500XA (Daily Rider), '09CRF230L (Li'l Red Piglet), '89NX250 (sold)
Propelled by Penguin Power
Nekkid motorcycles feel faster
1st bike: a gently used 1958 Matchless 250 thumper