Registered Forum User
500SD
Posts: 529
Join Date: May 2004
Location: Scunthorpe, Lincs
Mood: Come on spring!!!
M/C
Yeah as Nat says, the 19 x 20 is a bit grabier but it feels awesome, the lever moves about 5mm and the braking just feels so solid! 19 x 18 might be a bit more forgiving if its for the road tho.