AL=ALUMINUM ( Means that the core is made from Aluminum)
CF=CARBON FIBER ( Means that the core is made from Carbon Fiber) SS=STAINLES STEEL( Means that the core is made from Stainles Steel) TI=TITANIUM ( Means that the core is made from Titanium) S/O=SLIP ON
FO=FIT ON
SOD=SLIP ON DUAL
FOD=FIT ON DUAL
F/S=FULL SYSTEM
FULL=FULL SYSTEM
R=ROUND SHAPE
E=ELIPTIC SHAPE
SOH=SLIP ON HIGH MOUNT