This upgrade kit from DT Swiss allows you to convert your hub with a 3-pawl ratchet freehub to a Ratchet-LN disc freehub with 18 teeth. This will bring your 1900 wheelset with 370 hubs up to modern standards. Optionally, the freehub can also be upgraded with 24, 36 or 54 tooth pulleys.
- converts hubs with pawl freehub to toothed disc freehub
- ratchet with 18 teeth
- efficient connexion for a good propulsion
- sealing ring attached to the freehub body
- modular construction
- easy maintenance without special tools
- Material: Aluminum
- Cassette Body Type: SRAM XD 11/12 Speed
- Application: All Mountain, Cross Country, Enduro, Downhill
- 1900 wheels with 370 hub
- 800 Road wheels with 370 hub
- The Ratchet LN rotor cannot be used with 240s and 350 hubs.