Velocity Dually Rim. Features: Mid Fat, and Fat Race are what this thing is all about Perfect for sand, snow, trail, and everything in between Double wall for increased stiffness and tubeless ready Use VR-8001 to convert to tubeless setup Made in the USA Specifications: Wheel Size: 29" ISO Diameter (ETRTO): 622 Effective Rim Diameter (ERD): 604mm Spoke Count: 32H Brake Type: Disc Brake Rim Joint: - Rim Dimensions: 39mm (Internal), 45mm (External) Valve: Presta Tire Type: Tubeless (Clincher) Material: Aluminum Color: Black Weight: 675g