The Female axle version comes with a 4130 heat-treated CrMo hollow 14mm axle with 10mm bolts.
The BSD Back Street Hub features:
6061 T6 aluminium shell
4130 heat treated CrMo axle
High quality sealed 6902 Japanese bearings
9t driver with extra wide pawls and polymer bushing
LHD
Black in Colour
Male Axle