DT SWISS HubsDT SWISS hubs are engineered around their patented Star Ratchet and Ratchet EXP freehub mechanisms. Unlike traditional pawl systems, these designs utilize two interlocking, spring loaded ratchet rings for simultaneous, full surface engagement. This architecture ensures superior load distribution and torque transmission, resulting in exceptional reliability and a distinct sound. Hub shells are typically CNC machined from forged aluminum alloys with