Specialized Demo Headset Assembly

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HDS COMPLETE, ZS49/28.6MM TOP, ZS49/30MM BOTTOM, 15MM DEEP CUPS, 46MM TOP COVER, W/ SPLIT CROWN RACE FOR 1-1/8" STRAIGHT STEERER (VP SBC-2712) Complete Zero Stack (ZS) press-fit he adset for Demo frames with a non-tapered 49.65mm ID headtube and fork with a non-tapered 1-1/8" steerer. Upper & Lower Cups: 49.65mm OD x 15mm depth Zero Stack (ZS49) press-fit headset cups. Upper & Lower Bearing: 41mm OD x 30.15mm ID x 6.5mm Thick (45x45 degree) 46mm OD / 4mm tall alloy top cover. Split alloy compression ring, 6mm tall. Split alloy crown race for 1-1/8" bearing with 30mm ID. Show more