The distance between the outside of a tire sidewalls, not including any lettering or designs.
Construction
Construction R (Radial)
Radial construction tire.
Rim diameter
Rim diameter 20 (")
Diameter of rim seat supporting the tire bead.
Load range
Load range D (8 ply)
Maximum load capacity the tire is engineered to handle at certain inflation pressures. It also define the tire toughness and the strength of the sidewall.
TL/TT
TL/TT TL (Tubeless)
Tire specifically designed for fitting to appropriate wheel rims without an inner tube.
Manufacturer part number
Manufacturer part number ROK-16
Alpha-numeric designation assigned by a manufacturer to uniquely identify a tire product.