Reverse XD Single-Speed Kit One of us, One of us! The bike park season is short, and problems with rear derailleurs are long. Single-speed is the way forward! Ditch the gear cables and embrace the silent simplicity of one gear. The Reverse XD Single-Speed Kit allows you to run a single-speed setup on your XD single-driver freehub body. Beautifully CNC-machined with a black anodized finish, with 13T and 14T sprocket options. Paired with the Colab Chain Tensioner, you've got a solid, hassle-free singlespeed setup for full suspension bikes. Features Allows you to run a single-speed setup on your XD single driver freehub body CNC-machined and available in 13T and 14TThe cog is fully replaceable when worn out | Reverse Components | Reverse Xd Single Speed Kit | Black | 13T