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 table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} 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