The Surly Ultra New Front Disc Hub is a dependable and easy-to-service hub for riders who value durability and classic functionality. With a high-flange aluminum shell, sealed cartridge bearings, and 6-bolt disc compatibility, it’s built to handle anything from daily commutes to off-road tours. The 9mm quick-release design fits standard 100mm forks, making it ideal for a variety of bikes. Like all Surly gear, it's made to ride far and last long.