Convert a MicroSpline freehub wheel into a Singlespeed drive with a purpose designed kit for gravity full suspension bikes A refined tooth design engages the chain more securely than traditional single speed cogs CNC aluminum sprocket guides act like a chain guide for the rear cog, sandwiching the chain in place Sprocket guides feature a machined mud-shedding pattern which allows dirt to clear out no matter the riding condition Includes cog, alloy lockring, spacer and two sprocket guides TECH SPECS Model Expert HG+ Single Speed Kit Description HG+ Single Speed Kit with Sprocket Guides Hub Micro Spline Teeth 13 Chain 12sp Color Black Cog Size 13T