EC means External Cup (traditional cup) IS means Integrated (no cup, chamfers molded into headtube) ZS means Zero Stack (cup is inside headtube) Taper means 1.5" to 1-1/8 This is a complete headset Black anodized
UPC code : 840226106786 Manufacturer # : BAA0655K
SPECIFICATIONS
COLOR : Black COMPLETE/TOP/BOTTOM : Complete GRAMS : 133 MATERIAL : AL-6061-T6 MFG. PART NO. : BAA0655K S.H.I.S. : ZS49/28.6/H8:EC49/40/H12 STEERER DIAMETER : 1.5'' to tapered SUB CATEGORY : Complete Headsets