- Quiet, precise, smooth-running shifting function thanks to the Double Servo mechanism
- Lower profile than RD-M430
- Painted cage plates
- Wide link design increases rigidity and service life
- 11-tooth pulleys for reduced pulley wear and chain noise
- Advanced light action design with low friction fluorine-coated link pivot bushings
- Top-normal swing design
- Total capacity 45t
- Compatible with 28-35t low sprocket
- Compatible with 9-speed hyperglide sprockets
- Use: MTB
- Speed: 9 speed
- Low Sprocket Max: 35T
- Low Sprocket Min: 28T
- Top Sprocket Max: 12T
- Top Sprocket Min: 11T
- Total Capacity: 45T
- Cage: SGS
- Recommended Chain: HG-9