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.
Features:
- Built for high torque E-MTB conditions
- Use with Bosch-compatible or Direct Mount SRAM X-Sync chainrings (sold separately)
| Specs: | |
|---|---|
| Crank Length (mm) | 170mm or 175mm |
| Chainline/Hub Compatibility | 135/142 MTB Hubs |
| Spindle Interface Type | ISIS |
| Pedal Spindle | 9/16″ |
| Chainring BCD | Direct Mount Bosch |
| Chainline/Hub Compatibility | 141/148 Boost Hubs |
| Color | Black |
| BB Included | No |
| Crank Intended Use | Mountain |
| Number of Chainrings | No Rings Included |
| Designed for ebike | Yes |
| Defined Color | Black |
See Also:
- FW6128
This product was added to our catalog on April 25, 2018






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