The EX1 drive train was designed specifically for the demands of electric-assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAM's high end MTB parts provide high value quiet operation and ease of service.X-Horizon design minimizes chain slap maximizes 1x drive train performance Engineered for high-torque low-cadence E-bike operation
| Largest Cog | 48 |
| Rear Der/Shifter Compatibility | SRAM 1:1 |
| Rear Derailleur Mount Type | 10x1 Standard |
| Drivetrain Speeds | 8 |
| Chain Wrap Capacity (teeth) | 37 |
| Cage Length | Long |
| Color | Black |
| Designed for ebike | Yes |
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