Shimano Dura-Ace WH-R9370-C50 Wheels The All-Rounder's Advantage Fifty millimeters is the depth that eliminates compromise. The WH-R9370-C50 delivers the high-speed aerodynamics needed for flat roads and rolling courses without sacrificing the snappy acceleration required for steep climbs. Dropping 159 grams over its predecessor to weigh just 1, 302g per pair, every gram saved is a result of purposeful engineering-featuring a revised carbon layup, redesigned hub architecture, and mixed-diameter carbon spokes that perfectly balance low weight with lateral stiffness. Features50mm full-carbon hooked tubeless rim aerodynamic depth that supports a wide range of tire types with broad tubeless compatibility23mm internal rim width optimized for 28-30C tires to reduce rolling resistance and preserve tire stiffness under load Mixed-diameter Aero carbon spokes, 21F / 21R tuned spoke sizing balances system weight and lateral stiffness for all-round race performance Precision Cup-and-Cone hub bearings with DIRECT ENGAGEMENT rear fully serviceable hubs with precise adjustment and immediate power transfer on every pedal stroke SPECIFICATIONSWheel Size700c Rim Material Carbon Rim Depth50mm Inner Width23mm Bead Type Hooked Spoke Drilling21F / 21RValve Type Presta Tubeless Yes -Includes tubeless valves, packaged separately and ready for installation Tire Type Tubeless Ready Brake Compatibility Centerlock Disc Front Axle100x12mm E-THRURear Axle142x12mm E-THRUIntended Use Road | Shimano | Dura-Ace Wh-R9370-C50 Wheels Front, 12X100Mm