Industry Nine Sector Carbon Classic Hydra2 29" Wheel Carbon Performance, Classic Spacing Riders on pre-Boost frames shouldn't have to settle for a lesser wheel. The Sector Carbon Classic puts a 29mm internal width carbon rim with WR1 Convergence Technology under a Hydra2 hub, bringing near-instant engagement and trail-tuned stiffness to builds that run classic axle spacing. The j-bend spoke pattern means you can service this wheel anywhere without hunting down proprietary hardware. It's the full Industry Nine carbon trail experience without forcing a frame swap to get there. Features Sector Carbon rim with WR1 Convergence Technology carbon layup engineered to absorb trail chatter and resist impact damage on big trail days Hydra2 hub with 870 points of engagement at 0. 41deg six phased-engagement oversized pawl pockets and a 145-tooth steel drive ring deliver near-instant power transfer the moment you're back on the pedals Classic axle spacing fits pre-Boost frames running non-Boost standards without adapters or compromises J-bend spoke lacing conventional spoke interface keeps the build serviceable anywhere standard spoke tools and replacement spokes are available SPECIFICATIONSWheel Size29"Rim Material Carbon Inner Width29mm Spoke Drilling28h or 32h Valve Type Presta Tubeless Yes Tire Type Clincher, Tubeless Brake Compatibility Centerlock Front Axle15 x 148mm Rear Axle142 x 12mm Intended Use Trail | Industry Nine | Sector Carbon Classic Hydra2 29" Wheel Rear, 12X148Mm Boost, Xd, 6-Bolt