Wheels and Tires: Description and Operation
The Saab 900 is equipped with wheels having a 6-inch rim.The wheel is centered directly on the hub and, in addition, the wheel bolts are tapered to locate the wheel correctly.
The wheel designation 6J x 15 H2 ET49 means:
6 = rim width in inches
15 = wheel diameter in inches
H2 = type of wheel
ET49 = 49 mm offset