When absolute performance is a must the best riders in the world choose the S-Works Tarmac. With its Rider-First Engineered design every frame is engineered to provide the same complete performance across the entire frame size run. This means instantaneous accelerations when climbing & the legendary descent-shredding prowess that youd expect from a Tarmac. With the S-Works Tarmac Frameset you can start building up your dreambike exactly how youve always wanted it. Featuring Rider-First Engineered design that ensures the same hill-destroying descent-shredding complete performance across every frame size. The S-Works Frameset is composed of our highest quality FACT 11r carbon & its the go-to choice for riders like Alberto Contador Vincenzo Nibali & Micha&322; Kwiatkowski. S-Works-specific FACT full carbon fork with tapered construction provides incredible front end stiffness & steering response for instantaneous accelerations & high-speed descents.FRAMES-Works FACT 11r carbon FACT construction tapered/shaped 1-1/8" to size-specific lower head tube compact race design internal cable routing FORKS-Works FACT carbon full monocoque size-specific taper HEADSET1-1/8" upper size-specific lower stainless steel cartridge bearings carbon top cap BOTTOM BRACKETCeramic Speed ceramic bearings SEATPOSTS-Works FACT carbon 20mm offset 27.2mm SEAT BINDERSpecialized integrated wedge