SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 18T Straight Steel Configuration-2x Indexed quick release

Indexed quick release

and side stabilization elements are manufactured from the same sheet of carbon

balanced feel for enhanced fluidity

If using a 9-speed drivetrain

8mm • 19g  |  34

SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 18T Straight Steel Configuration-2x Indexed quick releaseSRAM 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 SRAMs high end MTB parts provide high value quiet operation and ease of service. X Sync (wide narrow) tooth profiles for great chain management