Sunday, October 4, 2020

Wheel & TireFitment

NOTICE: The information on this page is expressly for my particular GBS Zero Roadster build.  My car has a fairly wonky staggered setup with 15x7 (4x100 pattern) fronts and 15x8 (4x108 pattern) rears. 

Car Mechanicals 

  • Front: Mazda, Miata ( 1999 - 2004 )
    • Stud Pattern: 4x100mm
    • Center bore: 54.1mm
  • Rear: Ford, Sierra (1982 - 1993)
    • Stud Pattern: 4x108mm
    • Center bore: 64.1

Current Fitment: Team Dynamics ProRace 1.2

  • Front
    • Size: 15x7
    • Pattern 4x100
    • Center Bore: 57.1mm
    • Offset: ET -15
    • Tire: Toyo Proxes R1R
      • 195/50R15
  • Rear
    • Size: 15x8
    • Pattern: 4x108
    • Center Bore: 73.1mm
    • Offset: ET -27
    • Tires: Toyo Proxes R1R
      • 205/50R15
  • Required Center Rings
    • Front: 54.1(ID) to 57.1(OD)
    • Rear: 64.1 (ID) to 73.1(OD)

Resources

Good video explaining how to measure offset.


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