hub KS IG-2S20 auto2 36 120 black

· 2-Speed internal gear hub with gear ratio of 1:1.36

· OLD 开档距 130mm, Axle length 180mm

· 36 hole, 13-14G

· PCD 70mm, F/F 54mm

· hardware included, w/16t cog

· axle thread 3/8"-26tpi

· 6061 Aluminium hub shell, black HABK finish