For severe racers tuned in to weight cost savings, XRAY’s fresh optional front component center shaft is CNC-machined from world-renowned HUDY Spring Steel™., and it's also strategically lightened by 50percent set alongside the standard #335710 front center shaft. The important thing middle shaft is quite wear resistant at contact points, assisting enhance the lifespan concerning the shaft bearings. Rotating mass is paid off and never having to lose energy or durability.