#56 Axle 39.5" long.It is new 5 pegged keyways (not included). 50mm F soft axle  Part number is 5154.06-14  Modululus is 435. Please check the Birel axle chart listing for a better understanding of the term. It is a softer axle for performance of faster karts. This is for shifter or 2 cycle applications.

 Please examine this product closely to insure it is something that you can use. It is better to ask questions in advance than after the purchase.