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 durable. Included adjustment spacers for achieving the optimal chainline. Compatible with SRAM XD/XDR freehubs. Cog is designed with narrow wide alternating tooth pattern allowing for superior chain retention. Fits 9 10 and 11-speed chains. Compatible with 12-speed SRAM Eagle KMC SRAM Road and SRAM T-Type Transmission flattop chains. Will not work with 13-speed Campagnolo or 12-speed Shimano HG+ chains.