The DT Swiss Sram XD Ratchet Kit Black is a spare parts kit designed for use with DT Swiss hubs. The kit includes all necessary components to convert your hub to accommodate a Sram XD compatible cassette. The black finish adds a sleek look to your hub while providing a durable and corrosion-resistant coating. The ratchet mechanism ensures smooth and reliable engagement, allowing for quick and precise shifting. Upgrade your hub with the DT Swiss Sram XD Ratchet Kit Black for improved performance and compatibility with Sram XD cassettes.