F-978AW
Specification:
◎ EC34/28.6-26tpi∣EC34/29
◎ Alloy, Ball Retainers
◎ TOP NUT: 25.4
◎ CUP O.D.: 34
◎ CROWN CONE: 30
◎ Height: 35.8mm
F-974EW
Specification:
◎ EC29/25.4-24tpi∣EC29/27
◎ Alloy, Ball Retainers
◎ TOP NUT: 22.2
◎ CUP O.D.: 30
◎ CROWN CONE: 27
◎ Height: 36.6mm
