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Eunos-cosmo

Rims for Mazda Eunos Cosmo in Easy-to-Read Graphs

Average rim size per years

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Quick notes on Mazda Eunos Cosmo rims

    • Average rim diameter: 15.5 in. (394 mm)
    • Average rim width: 6.8 in. (173 mm)
    • Max speed on original rims: 155 mph (250 km/h)
    • Load to one rim: 390 kg (860 lbs)
    • Rim diameter to car height: 30%
    • Power in 1 mm of rim width: 1.47 hp/mm (1.08 kW/mm)
    • Summary width of rims: 27 in. (686 mm)
    • Rim circumference: 48.7 in. per wheel (1237 mm)
    • Rimsley rating: 2 / 10

Original 1990 Mazda Eunos Cosmo rim size

  • 13B Type E — 6.5 in. width and 15 in. diameter
  • 20B Type E — 7 in. width and 16 in. diameter

    Possible tire width

  • 13B Type E — 185 mm min and 215 mm max
  • 20B Type E — 195 mm min and 225 mm max

    • Disc diameter to power ratio

  • 13B Type E — 15 hp per 1 in. (11 kW/in)
  • 20B Type E — 18 hp per 1 in. (13 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    13B Type E 6.5J x 15
    (165 x 381 mm)     		1.3 mm to 1 Nm 43.3% 188 in.
    (4775 mm)     		26 in.
    (660 mm)
    20B Type E 7J x 16
    (178 x 406 mm)     		1 mm to 1 Nm 43.8% 201 in.
    (5105 mm)     		28 in.
    (711 mm)
    Vehicle 13B Type E
    Rim width and diameter 6.5J x 15
    (165 x 381 mm)
    Rim diameter to torque 1.3 mm to 1 Nm
    Rim width to diameter ratio 43.3%
    Total rims circumference 188 in.
    (4775 mm)
    Total rims width 26 in.
    (660 mm)
    Vehicle 20B Type E
    Rim width and diameter 7J x 16
    (178 x 406 mm)
    Rim diameter to torque 1 mm to 1 Nm
    Rim width to diameter ratio 43.8%
    Total rims circumference 201 in.
    (5105 mm)
    Total rims width 28 in.
    (711 mm)