2-1/4" Stand Off, Black Metal Flake Finish. If you have slop in the wheel check your ball joint on the clamp block for wear.
Mastercrafts have a bracket that clamp blocks bolt to.
May have to drill out hole in bracket to fit.
Black grip - Silver aluminum spokes
Standard 3/4" Keyed Taper Shaft, easy centering hub included Diameter 13.8" (350 mm) weighs aprox 6 lbs * Splined Shaft hub is available - Must specify "Splined".
Some 90's Mastercraft and 93 up Correct Craft used a splined shaft hub. (Remove center cap and nut to see if splined or keyway.)