Specification:
◎ ZS44/28.6∣ZS49/30
◎ Alloy, Sealed Bearings
◎ TOP NUT: 1 1/8"
◎ CUP O.D.: 44/49.6
◎ CROWN CONE: 30
◎ Height: 23.1mm
◎ Upper-ACB 36° x 45°
◎ Lower ACB 45° x 45°
◎ Ball Bearing Version "HSG" Is Available
Tapered Threadless Headset