Designed to be extremely durable using 6069 T6 heat treated aluminum rims with an invisible seamless welded joint. Shot peened surface provides increased corrosion and fatigue resistance as well as a matte finish . Built with triple butted spokes . Pre-fitted with tubeless tape. Front: Halo MT2 convertible hub includes 15mm thru-axle end caps with adapters for Torque Caps and 20mm conversion available separately . Rear: MT Supadrive rear hub uses a wedge pawl mechanism and hollow CrMo axles for maximum stiffness and efficiency 120 points of engagement (3 deg). All hubs have forged alloy shell, sealed bearings, International Standard 6-bolt disc rotor mount