Designed to stand up to the rigors of Downhill racing Asymmetric, 28mm internal (33mm external) rims made of 6061 T10 heat treated alloy is incredibly durable Built with double butted spokes and brass spoke nipples Prefitted with tubeless tape, Vortex wheels are tubeless ready from the box Front: Halo MT2 convertible hub includes 15mm thruaxle 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 6bolt disc rotor mount