Tubeless: No tube is used, when mounted on a tubeless rim; abbreviated "TL"
Rear: Direction of rotation for rear tire, indicated by an arrow on the tire sidewall
Michelin: Tire manufacturer
73 Load index: I.E, 73 corresponds to a load of 805 pounds (365kg) per tire
Radial
Pilot Power 3: The tire's model name
190: Nominal section width of the tire, expressed in millimeters
55: Aspect ratio, the sidewall height as a proportion of the tire width
R: Radial construction
17: Bead-seat diameter of the wheel, expressed in inches (1 inch = 2.54cm)
Other tips and advice