Developed for the onepointfive standard used by extreme riders and with long travel forks for increased stiffnes and strengthdouble xc for 15quot frame combined with a standard 1 18quot forkdouble x short for onepointfive fork with cannondale headshok framessteerer diameter double xc 268mm double x short 381mmmachined 7075 t6 cupssealed cartridge bearingsdouble xc 247g