These are the 31mm D Compound Vintage Performance Tires from HPI.

FEATURES:

Must be used with 31mm Narrow Vintage Wheel Series
Rubber construction
D compound

YOU WILL RECEIVE:

Two Vintage Performance Tires
Two foam inserts

REQUIREMENTS:

Installation on wheels

SPECIFICATIONS:

Outer Diameter: 65mm (2.6")
Inner Diameter: 41.75mm (1.6")
Width: 26mm (1")