Dial in a clean and dependable single speed setup for your dirt jumper or downhill bike with this purpose-built conversion kit. A tough 13T steel cog handles repeated hard efforts, while CNC-machined alloy spacers and guide plates let you fine-tune chainline for precise alignment and smooth power transfer. Designed to fit Shimano HG freehubs - not compatible with SRAM XD - the system is built for riders who value simplicity, durability and a drivetrain free from unnecessary clutter. Perfect for park laps, pump tracks and gravity-focused builds.