Reverse Expert XD Single Speed Kit 40281

- Convert an XD driver into a Singlespeed drive with a purpose designed kit for gravity full suspension bikes\n- A refined tooth design engages the chain more securely than traditional single speed cogs\n- CNC aluminum sprocket guides act like a chain guide for the rear cog, sandwiching the chain in place\n- Sprocket guides feature a machined mud-shedding pattern which allows dirt to clear out no matter the riding condition \n- Includes cog, alloy lockring, and two sprocket guides\n- To ensure chainline compatibility, Expert XD Single Speed kits must be used with Expert Colab Tensioner