SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 18T Straight Steel

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 provides high value, quiet operation, and ease of service.

• X-Sync (wide-narrow) tooth profiles for great chain management
• Compatible with Bosch mid-drive E-bike systems