The BSD Back Street Pro Cassette Hub uses a proprietary driver with a skip free mechanism. Built to handle abuse with its bombproof 14mm axle, heavy duty 6903 sealed bearings and chromoly cones all while being wrapped in a pretty compact shell.

• Mid flange 6061-T6 aluminum hub
• Precision sealed bearings
• Laser-etched BSD logo
• 14mm heat-treated chromoly center axle with 14mm shoulder to fit the dropouts
• 3/8"x24tpi axle bolts
• 1-pc chromoly driver with polymer bushings