Superb Swiss quality and brilliant 240-based design make the 350 unmatched in value and performance in this category. The forged 7000 alloy hub shell features quality bearings and a simple design that allows for tool-less rebuilding and service of the product. The hub body is black anodized for added durability and easy maintenance. The freehub body is lightweight alloy and receives a full black anodization as well. It is rebuild able using the same ratchet system as the 240 and 180 series hubs and are compatible with Shimano and SRAM 8, 9, 10 and 11 speed drivetrains. DT Swiss sped'd high quality 6000 series German-made bearing that should spin effortlessly for many miles.