HEADSET CC SEMI-INT 40SERIES 1-1/8x1.5CART 40mmCROWN TAPER STEERER BK ZS44/28.6|ZS56/40Features-6061-T6 aluminum internally relieved Zero Stack cups and cover to reduce weight-High-quality, low friction face seals on the crown races-Dependable black oxide, sealed bearings-97g-120gItem Specifications-Size:1-1/8 to 1.5`-Color:Black-Weight:102g-SHIS:ZS44/28.6|ZS56/40-Cup:44/56-Steerer OD:28.6-Race:40-Bearing Angle:--Stack Height:40