Solid Front Wheels for the Razor Ground Force, Ground Force Drifter, & Ground Force Drifter Fury Go Karts (Set of 2) Heartway Tango (TC1) and comes complete with a N83 9050 and comes complete with a black ABS plastic rim The tiller swivel assembly for Drive Medical Phoenix Seriesl mobility scooters is often referred to as the scooter knuckle This is our set of two solid front wheels with 608Z bearings 4 1 2" D X 2 1 2" W for the Razor Ground Force series of electric go karts such as the original Ground Force and the GFD Fury The bearings for these front wheels are a different size than on the visually similar rear wheel