New 20 ounce tumblers available now! Forum donation credit with purchase. https://www.wildguzzi.com/Products/products.htm#Tumbler
ride the bike with one disc before doing anything. adding a second disc to the front end of a guzzi is the biggest waste of money anyone can do. that plus the the added unsprung weight (and it is quite non-trivial, rotor, caliper, pads) on the front axle assembly ruins the ride over bumps.