SRAM X4 Rear Derailleur - 789 Speed Long Cage Black. Affordable and reliable derailleur is great for repairs and upgrades.Compatible with 7- 8- and 9-speed systems1:1 shifter-to-derailleur actuation ratio for precise light-action indexing TECH SPECSLargest
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SRAM X4 Rear Derailleur – 789 Speed Long Cage Black. Affordable and reliable derailleur is great for repairs and upgrades.
| Largest Cog | 34 |
| Color | Black |
| Rear Der/Shifter Compatibility | SRAM 1:1 |
| Rear Derailleur Mount Type | 10×1 Standard |
| Drivetrain Speeds | 7 |
| Drivetrain Speeds | 8 |
| Drivetrain Speeds | 9 |
| Weight | 280 |
| Chain Wrap Capacity (teeth) | 45 |
| Cage Length | Long |
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