Our most recent extrusion for the LG1 Enduro Rim sees slightly increased thickness in the downwall and spoke bed, and is engineered to dent inward in extreme impacts, ensuring your tire keeps air until the end of the day.We kept the 30mm inner width that provides a perfect platform for tires 2.3-2.6\" wide. Key Features: ERD: 27.5: 561 / 29: 599,Included: Rim, nipple washers, and User Manual,Material: 6069 Aluminium,Weight : 27.5: 492g / 29: 531g,Width: 30mm internal width.