* Completely redesigned for 2014 * The crank arms are completely hollow with all unnecessary material being removed from the center core - no internal aluminum spine * Industry standard 30 mm spline interface CNC machined from a newly commercialized aluminum super alloy that is 20% stronger than 7050 alloy (the alloy commonly used in this application) * Removable spider offers the ability to convert between existing chainring standards while remaining flexible to future developments