I need to replace the spider on my SRAM X0 Transmission equipped E-MTB, but I do not see that part offered. The spider that the SRAM 104 BCD chainring mounts to is not made by SRAM. Please contact your frame manufacturer for further information on your E-MTB spider. Click here to shop Eagle Transmission Didn't find what you're looking for? Contact Us Related articles Eagle AXS Transmission rear derailleur battery life seems shorter than with previous AXS rear derailleurs. Why is there a difference? Why does Eagle Transmission use a 55mm chain line and what is the result? Can I mix Eagle Transmission parts with Eagle drivetrain parts? What is the correct torque for my axle when using Eagle Transmission? Can I use the POD controller on previous Eagle AXS drivetrains?