Thanks to the 34mm medium profile, Racing 4 DB wheels achieve the perfect balance between aerodynamics, riding precision and versatility. They are ideal for climbing without sacrificing stability once the speed increases on the descents.34 mm aero profilePreinstalled tubeless tapeStraight pull hubsCenterlock hubItem SpecificationsCassette Body TypeShimano/SRAM 11 Speed RoadColorBlackDefined ColorBlackHub/Brake CompatibilityCenter-Lock DiscISO Diameter622 / Road / 29"Rear Axle12mm Thru x 142mmRim Width (Internal)19Tire TypeTubeless Ready ClincherValvePrestaWheel Size700c