SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 16T Straight Steel MFPN=870 }CeramicSpeed 61802 Standard Bearing -

}CeramicSpeed 61802 Standard Bearing - (6802)

}Topeak Aero Wedge Seat Bag - Strap-on Small Black

Top gear teeth capacity: 50-55t

Muc-Off Wet Chain Lube penetrates deep into your chain links core to provide long lasting lubrication and total protection

SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 16T Straight Steel MFPN=870 }CeramicSpeed 61802 Standard Bearing -SRAM 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