32-Inch 1-1/4" Black Steel Axle with .190 Wall ThicknessCompact yet mighty, this 32 inch axle slots perfectly into shorter wheelbase karts, delivering the backbone for agile performance. 1 1 4" diameter balances weight and rigidity. . 190 wall thickness for superior twist resistance without excess heft. Black oxide coating wards off rust in humid pit environments. Feel the difference in responsiveness: its steel composition channels engine torque directly to the rear wheels, minimizing flex that slows you