It's constructed from 100% 4130 chromoly throughout with tapered tubes for maximum strength and durability

Race Specific Frame

The Profile Mini Splined Chromoly Driver is a replacement driver designed for Profile Mini cassette hubs only

CRANKS: Alloy 150mm with 4bolt Spider

To ensure that the ankle support isn't uncomfortable or stuffy

BSD Back Street Pro Female Cassette Hub - LHD Colour:Raw It's constructed from 100% 4130The BSD Back Street Pro Hub is their latest street ready hub, built around their own custom driver that features a skip free mechanism all while maintaining a compact sized shell. Built with a 6061 T6 aluminium hub shell that's paired with a 14mm 4140 heat treated chromoly axle and 4130 chromoly wheelnuts. It features a bombproof 14mm female bolts, chromoly cones, a massive female axle and hefty 6903 bearings that run smooth. ###section### Product