Upgrade the comfort and performance of your Harley-Davidson with the Öhlins NIX30 American V-Twin cartridge kit. Developed from technology used in top-level racing, the NIX30 American V-Twin is a versatile front-end upgrade for Harley riders. Set the cartridges in comfort mode to swallow bumps and achieve a cruising-style ride or switch to sport mode for a stiffer cartridge when you want to attack corners and be more agile. With our NIX30 American V-Twin cartridges, the choice is yours.