We tapped into our collective know-how to make this rim stronger, and better balanced than anything else on the mountain. Asymmetrical design creates perfect spoke tension while 6069 alloy provides a jaw-dropping strength to weight ratio. Specs Material 6069 aluminum Available Diameters 27.5", 29" Available Internal Rim Width 25 mm, 30 mm, 35 mm, 40 mm Available Spoke Count 28, 32 Tubeless Ready Yes Rim ERD 562 mm (27.5" rim) Rim Height 20 mm Rim Offset 4.5 mm (all except 25mm internal rim width) Weight 494 g Weight Conditions 27.5" rim