Developed and tested using Turbulent Aero technology 42|49 provides all-day capability with aerodynamic sensibilities Raced at events as varied as the Paris-Roubaix and the Giro D’Italia. Internally reinforced spoke holes to strengthen the area where the rim sees the most force, around the spoke nipple. This provides for improved strength without adding unnecessary weight There are no weight limits and can be set up tubeless or with tubes The mixed profile front and rear setup of the 42|49 provides for maximum stability, lowest weight and optimized aerodynamics 29 - 40mm recommended tire width range 24 spokes Centerlock Attributes Axle Type 12mm TA Depth 42mm/49mm Freehub Body SRAM XD-R Hub Model DT 350 Hub Spacing F: 100, R: 142 Position Pair Rim Color Black Rim Construction Carbon Rim Drilling 24/24 Rim External Width F: 34.4mm, R: 32.1mm Rim inner width range 22-27.9mm Rim Internal Width F: 25.4mm, R: 24.8mm Rim Material Carbon Rim Model 42|49 TA Skewers Included No Valve Fillmore Wheel Diameter/ISO 700C / 622 Wheel Tire Type Tubeless Compatible Wheel Weight 1489g (pair) Wheel-Brake Comp. Disc Center Lock