World-class riders require world class-wheels. The all-new Düroc Pro wheel utilizes SunRngle's proven Düroc SD37 rim mated to their all-new Super Bubba hub via Wheelsmith butted straight-pull spokes. These wheels were designed to handle the gnarliest descents you can find at the greatest velocity you can muster.Who's this item for: Riders riding Enduro, trail or All-mountain conditions looking for a reliable, lightweight, super strong and freerunning front wheel to keep them rolling out on the trails.Hub Materials: 7075 Aluminium.Rotors: 6 Bolt attachment.Bearing style/amount: Dual 6902 bearings.Rims: SunRingle Duroc SD37 Pro rims.Tubeless: Yes, tubeless-ready.Weight: Approx 940g Rim Dimensions: 37mm outer, 32mm inner.Axle: 110x15mm Hub Spacing Materials: Welded alloy, with bead-blasted anodization.Spokes: 28 Wheelsmith DB14 spokes Material: 304 stainless steel.J-bend / Straight pull: Straight pull.Nipples: Brass Nipples.What's in the box: Tubeless Sealant Tubeless Valves