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. Assembly Method: Hand-built Braking Surface: Disc brake only Extras: Roval padded wheelbag. NoFault crash replacement policy.Lifetime warranty Front Hub: Roval AeroFlange Disc, Center Lock, Sealed Cartridge bearings Nipple Type: DT Swiss Pro Lock hexagonal Rim Depth: 33mm Rim Material: Carbon Rim Type: Carbon, clincher (tube-type) Rim Width: 21mm internal Spoke Count: 21 Spoke Pattern: Radial/Two-cross (2:1) Spoke Type: DT Swiss Aerolite T-head Weight: 562g