Industry Nine Trail S 1/1 Wheel Rear 29'' / 622 Holes: 28 12mm TA 148mm Disc IS 6-bolt SRAM XDBuilt for XC through aggressive trail use 1 1 hubs with 90 points of engagement (4 degrees) 28 spokes TECH SPECS Axle Type 12mm TA Rim Color Black Wheel Weight 950g Freehub Body SRAM XD Rim Construction Double wall Rim Drilling 28 Wheel Diameter ISO 29 622 Rim Internal Width 27mm Rim Model Trail S Skewers Included No Rim Material Aluminum Hub Spacing 148mm Position Rear Rim External Width 31mm Valve Presta Wheel Tire Type Tubeless Ready Wheel Brake