SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 16T Straight Steel Stroke-52.5mm This tool is the Structurite

This tool is the Structurite Nordic and comes with the Red Rollers 1

Blue Vario Kick -9°C to -3°C (16°F to 27°F)

} Alloy disc rim (29mm outer/25mm inner width) with a tubeless ready profile

Dimensions: 146mm x 20mm x 8mm  each

SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 16T Straight Steel Stroke-52.5mm This tool is the StructuriteSRAM X Sync EX1 Sprocket Chainring for Bosch Motors 16T 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