Token Products Integrated 1 1/8-1.5-Inch Tapered Headset CNC alloy top cover in O.D. O46mm for 1-1/8" CNC alloy 7075 T6 crown race for 1.5" or 1-1/8" Angular contact bearings Upper: TK418CA:O30.2x41.8x8x45 Degreex45 Degree Lower: TK518B: O40x51.8x8x36 Degreex45 Degree Stack height: 10mm Weight: 94g (w/o cap)