Sizes of Tires and Rims for the Geo


Spectrum JT150 (1985-1990)

Tire size Tire pressure Rim size Wheel fastener Center bore
175/70 R13 2 bar 5Jx13 ET39 Nuts: 4 x 100 (PCD) 56.1 mm
175/65 R14 2 bar 5Jx14 ET41 Nuts: 4 x 100 (PCD) 56.1 mm
175/55 R15 2.1 bar 6Jx15 ET45 Nuts: 4 x 100 (PCD) 56.1 mm
185/55 R15 2.1 bar 6Jx15 ET43 Nuts: 4 x 100 (PCD) 56.1 mm

Spectrum JT150 (1985-1990)

Tire size
175/70 R13
Tire pressure
2 bar
Rim size
5Jx13 ET39
Wheel fastener
Nuts: 4 x 100 (PCD)
Center bore
56.1 mm
Tire size
175/65 R14
Tire pressure
2 bar
Rim size
5Jx14 ET41
Wheel fastener
Nuts: 4 x 100 (PCD)
Center bore
56.1 mm
Tire size
175/55 R15
Tire pressure
2.1 bar
Rim size
6Jx15 ET45
Wheel fastener
Nuts: 4 x 100 (PCD)
Center bore
56.1 mm
Tire size
185/55 R15
Tire pressure
2.1 bar
Rim size
6Jx15 ET43
Wheel fastener
Nuts: 4 x 100 (PCD)
Center bore
56.1 mm
More sizes