The Industry Nine Classic Enduro S Boost Wheelset is a hard-charging aluminum wheelset for enduro and trail riding. It features a quality, hand-built aluminum construction paired with I9's renowned Hydra hubs, making it the perfect wheelset for high-level shredding on a budget. This wheelset is finished off with a tubeless-ready construction, classic J-Bend spokes for easy service, and a wide 30mm internal diameter for running 2. 3 to 2. 8-inch-wide tires.