Trail S 1/1 Built for XC through aggressive trail use. 1/1 hubs with 90 points of engagement (4 degrees). 28 spokes. Item Specifications: Axle Type: 12mm TA, Cassette Body Type: Road 10/ MTB 11, Hub Type: I9 101, Hub Spacing: 148mm, Position: Rear, Color: Black, Rim Construction: Double wall, Hub Drilling: 28, Rim External Width: 31mm, Rim Width (Internal): 27mm, Rim Material: Aluminum, Rim Model: Trail S, Skewer Included: No, Spoke Interface: Stainless, Valve: Presta, Brake Compatibility: Disc IS 6-bolt, Minimum Wheel Diameter: 29'' / 622, Tire Type: Tubeless Ready, Raw Product Weight Grams: 950g, Rim Strip Width (mm): 22-27.9mm,