SRAM Red WiFli Rear Derailleur - 11 Speed Medium Cage Black. Top-of-the-line rear derailleur with generous use of carbon fiber and titanium for maximum performance at minimal weight.Carbon fiber and aluminum construction Ceramic bearing pulleys Titanium hardware
- TECH SPECS
| Rear Derailleur Mount Type | 10x1 Standard |
| Rear Der/Shifter Compatibility | SRAM Exact Actuation |
| Cage Length | Medium |
| Drivetrain Speeds | 11 |
| Weight | 152 |
| Color | Black |
| keyword search | RD4621 |
| Chain Wrap Capacity (teeth) | 37 |
| Largest Cog | 32 |
