Revolutionize your cycling experience with the Solo-XD Single Speed Conversion Kit from Wheels Manufacturing. Designed to seamlessly transform your XD/XDR hubs into a powerful single-speed setup, this kit offers unrivaled simplicity and precision for a ride like no other. The Solo-XD features a clever design that utilizes a base sleeve, which easily slides onto the XD freehub body, mimicking the process of installing a cassette. Once the base sleeve is in place, you can effortlessly slide the spacers and cog over it, securing everything with a reliable lock ring. The Solo-XD makes it easy and affordable to convert your existing wheels. Whether you're commuting, racing or hitting the trails, the Solo-XD will give you the simplicity and reliability you crave.Premium 7075 aluminum carrier and cogs are light weight and extremely durableIncluded adjustment spacers for achieving the optimal chainlineCompatible with SRAM XD/XDR freehubsCog is designed with narrow wide alternating tooth pattern allowing for superior chain retentionAdditional cog sizes available (Sold Separately)Fits 9, 10 and 11-speed chainsCompatible with 12-speed SRAM Eagle, KMC, SRAM Road and SRAM T-Type Transmission flattop chainsWill not work with 13-speed Campagnolo or 12-speed Shimano HG+ chains Wheels Manufacturing Solo-XD XD/XDR Single Speed Conversion Kit Driver and Single Cog UPC: 810124711771