SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 16T Straight Steel ModelNumber=E4577 I generally hot wax every

I generally hot wax every second time out but this is a question of standards

model cagemount 2 description 22-38mm OD handlebar cage mount material composite/nylon color black weight -

These rings are for use with 110 BCD 5 arm cranksets

ShiftMount naming convention is [shifter type - brake type]

With the addition of the cold base to the lineup

SRAM X-Sync EX1 Sprocket Chainring for Bosch Motors 16T Straight Steel ModelNumber=E4577 I generally hot wax everySRAM 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