Tires 245/45 R19 Y before the post-What does it mean 275/40 R19 Y

I am a Philippine Registered Users2010-01-31 14:02:13 +0000 #1

gplife2010-01-31 14:04:05 +0000 #2

front-wheel design touch the ground is 245 millimeters wide, flat compared with 45,19 per cent, said inches, r radial tire. y is the tire speed rating