Professor Motor Chaparral / BBS 1/24 Die Cast Setscrew REAR Wheels - 1 Pair Wide REARS for METRIC 3mm Axles - Wheel width between flanges = 0.364" (9.2mm) and diameter between flanges = 0.615" (15.6mm) - Fitted with M3 METRIC setscrews requiring a 1.5mm Allen driver.
GREAT Tires ! for these wheels : PMTR4543 Ortmann Rear Slicks