Sturmey Archer HSX 153 Internal Unit For. RX-RD3/RS-RF3

This internal unit from Sturmey Archer is the essential shifting mechanism crafted to restore smooth, reliable gear changes within compatible Sturmey-Archer hubs. Designed as a direct replacement for RX-RD3 and RS-RF3 hubs, it revitalizes the internal engagement components that manage gear selection, making it perfect for servicing hubs that have experienced slipping, rough shifting, or inconsistent gear pickup. Replacing the internal unit can prolong hub life and restore dependable, low-maintenance performance for commuting and utility riding.

- Replacement internal unit designed for Sturmey-Archer RX-RD3 and RS-RF3 hubs
- Restores smooth, consistent shifting when hub internals are worn
- Ideal service part for hubs with slipping or unreliable engagement
- Helps extend hub lifespan without replacing the entire wheel
- Practical upgrade for commuters and utility bikes using internal gearing

Specifications
Brand: Sturmey Archer
Model: HSX 153
Type: Internal unit
Compatibility: RX-RD3/RS-RF3
Color: Silver