The DT Swiss 350 6-Bolt Rear Hub is designed for reliability on every adventure, featuring the proven Ratchet System with 36-tooth ratchets for direct power transmission. Its simple yet sophisticated construction ensures low weight and exceptional rolling performance. Cyclists can easily maintain and convert the hub to various standards without special tools. Key features include the patented Star-Ratchet system, contact-free seals, high-precision build for smooth bearings, and press-fit end caps for tool-free maintenance and conversion. DT Swiss 350 6-Bolt Rear Hub Specs Bearing Type: Sealed Cartridge Cassette Body Type: Shimano HG & Microspline, SRAM XD Hub Drilling: 28h, 32, Hub / Brake Compatibility: 6-Bolt Disc Rear Axle: 12mm Spoke Interface: J-Bend