High quality 50mm kart axles suitable for most kart classes including Rotax, TKM, KF1, KF2. The axles are available in different lengths and in various stiffness's giving different chassis handling characteristics. All 50mm axles are hollow and have a 2mm wall thickness.Axle Stiffness OptionsExtra SoftSoft (350-400 N/mm2) - Colour code Red. Equivalent to OTK type UMedium / SoftMedium (480-550 N/mm2) - Colour code Green. Equivalent to OTK type NMedium (springy)Medium / HardHard (650+ N/mm2) - Colour code White.Extra Hard
Alto Kart Axle - 50mm - 1030mm long - Medium would be the perfect product for those looking to add power and control to their gravity kart.