We believe we’ve made the fastest all-around road wheels in the world. The Rapide CLX wheelset essentially combines the aerodynamic excellence of our UCI TT World Championship dominating CLX64 with the light weight and gentlemanly handling of our Polkadot-Jersey winning CLX32. The result is a wheelset that delivers maximum speed in conditions found in real-world riding; climbing performance, slippery efficiency of a dedicated aero setup, and stable, confident handling, regardless of wind conditions.Rim Type: Carbon, clincher (tube-type),Rim Material: Carbon,Braking Surface: Disc brake only,Rim Depth: 51mm,Rim Width: 21mm internal, 35mm external,Spoke Pattern: Radial/Two-cross (2:1),Spoke Count: 18,Spoke Type: DT Swiss Aerolite T-head,Nipple Type: DT Swiss Pro Lock hexagonal,Front Hub: Roval AeroFlange Disc, Center Lock, Sealed Cartridge bearings,Assembly Method: Hand-built,Extras: Roval padded wheelbag.,Weight: 649g.