Built for XC through aggressive trail use 1/1 hubs with 90 points of engagement (4 degrees) 28 spokes TECH SPECS Hub Model I9 101 Position Front Rim Color Black Rim External Width 31mm Spoke Type Stainless Wheel Weight 820g Hub Spacing 110mm Boost Rim inner width range 22-27.9mm Valve Presta Wheel-Brake Comp. Disc IS 6-bolt Rim Internal Width 27mm Rim Model Trail S Skewers Included No Wheel Diameter/ISO 29 / 622 Axle Type 15mm TA Rim Drilling 28 Rim Material Aluminum Wheel Tire Type Tubeless Ready Rim Construction Double wall