SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 18T Straight Steel Configuration-2x Stroke (mm) 55 Metric Yes

Stroke (mm) 55 Metric Yes Lockout Switch Climb Switch Weight 417 Eyelet Diameter (mm) 15 External Adjustments High Speed Compression Damping External Adjustments Low Speed Compression Damping External Adjustments Rebound Damping External Adjustments Coil Preload Positive Spring Coil Eye to eye length (mm) 210

Low-profile model with 13mm thick aluminum platform

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

Indexed quick release

} Constructed from tough sonically welded and seam sealed waterproof material

SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 18T Straight Steel Configuration-2x Stroke (mm) 55 Metric YesSRAM 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