- Affordable and reliable derailleur is great for repairs and upgrades
- Will work with 7, 8 or 9 speed cassettes, depending on the shifter used
- 1:1 shifter-to-derailleur actuation ratio for precise light-action indexing
- Refined to work with both 10-52T and 10-50T cassettes
- Updated cage architecture provides better chain retention and precise shifts.
- SRAM Model ID: RD-GX-1-B2
DUB™ technology features a better engineered bottom bracket and a new spindle design for a more uniform approach to bottom bracket fitment, better sealing against contamination, and a new measure of durability.
