The S-Works Venges competition-crushing combo of Tarmac-inspired stiffness & light weight with Shiv-inspired aerodynamics makes this pure race machine truly more bike than aero. Customise this FACT IS 11r carbon OSBB frameset with the spec of your choice.UCI-legal FACT IS 11r Aero Race Design full-monocoque carbon frame with one-piece carbon OSBB/chainstay internal cable routing & tapered head tube provides the complete performance formula for weight stiffness & aerodynamics UCI-legal full carbon monocoque S-Works fork with 3:1 airfoil shaping & straight profile for best combination of aerodynamics & stiffness; carbon dropouts with co-moulded steel inserts for added durability Pro-quality long-lasting & lightweight Ceramic Speed bottom bracket with ceramic bearings for reduced friction Stiff light UCI-legal bladed carbon seatpost flips between 20mm & 0mm setback; also wide range of vertical adjustability Technical Specifications FRAMES-Works FACT 11r carbon FACT IS construction aero tube shape compact race design tapered 1-1/8" to 1-3/8" head tube internal cable routing carbon OSBBFORKS-Works FACT carbon full monocoque OS race for 1-3/8" bearing HEADSET1-1/8" upper & 1-3/8" lower Cr-Mo cartridge bearings w/ custom Venge top cap BOTTOM BRACKETCeramic Speed OSBB integrated ceramic 30x 42x 7mm SEATPOSTSW Venge FACT carbon flippable 20/0mm offset SEAT BINDERVenge integrated seat clamp assembly