Here's the Backstreet Cassette hub from BSD.
The hub has a low flange aluminium hub shell, heat treated cr-mo Hollow Male axle and a 9t cassette driver with polymer bushings instead of bearings for better durability.
Available in Right or Left side drive,

Specifications

•        Axle size: 14mm
•        Brand: BSD
•        Colour: Black, Grey, Polished, Purple, Red, Blue, Gold
•        Drilling: 36h
•        Drive Side: LHD, RHD
•        Driver: 9t
•        Website: www.bsdforever.com
•        Weight: 416g