This is the Hobby Products International (HPI) D Compound X-Pattern
Tires Standard Narrow (26mm) Width for Touring Cars and Sedans.

FEATURES: Radial Tread and "D" Compound.
Fits Touring type cars from Kyosho, Tamiya, Yokomo
and the HPI RS4 using standard width wheels.
Fits Standard Narrow 26mm Width Wheels.

INCLUDES: Two X-Pattern D Compound Tires.
Two Grey Foam Inserts.

SPECS: Outside Diameter: 2-9/16" (2.5") (65mm)
Inside Diameter: 1-15/16" (1.9") (49mm)
Width: 1-1/16" (1.") (26mm)

REQUIRES: Gluing Tires to Wheels with CA Glue Such as GPMR6001.
26mm Width Wheels such as HPIC3600 White 3-Spoke.