Conquer mountains, flatten hills, and feel your bike come alive with the lightest road clincher wheels we have ever made. Mass is the enemy of performance, and there’s no room nor excuse for a single excess gram when chasing KOMs and mountaintop primes. Weight has been pared to the absolute minimum in order to capitalize on every watt of energy without sacrificing any of the strength, ride quality and durability that are crucial to long term performance and satisfaction. Rim Type: Carbon, clincher (tube-type), Disc Brake OnlyRim: 33mm Depth, 21mm internal WidthSpoke Pattern: 21-Hole Radial/Two-cross (2:1)Spoke Type: DT Swiss Aerolite T-head - Front (275mm drive, 272mm nondrive)Nipple Type: DT Swiss Alloy Pro Lock hexagonalFront Hub: Roval AeroFlange Disc Center Lock, Prem. Sealed Cartridge Bearings, 100x12mm thru-axle compatibleFront Wheel Weight: 532g - Set - 1248gAssembly Method: Hand-builtExtras: Lifetime warranty.System Weight Limit: 275lbs / 125kg