SunRace
SunRace M903 Rear Derailleur - 9-Speed, Short Cage, Black
MPN: RDM903.SD00.0S0.BX · UPC: 4710944268751
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🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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The SunRace M9 Rear Derailleuris designed for 9-speed MTB drivetrains.
- ✓ Adjustable chain stabilizer
- ✓ Alloy bracket
- ✓ Alloy outer link
- ✓ Alloy outer cage
| Largest Cog | 42 |
| Rear Der/Shifter Compatibility | Shimano Mountain |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
| Drivetrain Speeds | 9 |
| Cage Length | Short |
| Color | Black |
| Weight | 240 |
Cycling Apparel Size Guide
| Size | Chest | Waist |
|---|---|---|
| S | 34" – 36" | 28" – 30" |
| M | 37" – 39" | 31" – 33" |
| L | 40" – 42" | 34" – 36" |
| XL | 43" – 45" | 37" – 39" |
| XXL | 46" – 48" | 40" – 42" |
💡 Cycling apparel runs tighter than casual wear for aerodynamic fit. If between sizes, size up for comfort or down for race fit.
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