Wiel B111 Carbon Fiber Bicycle Frame 700c 52cm Road Bike Frameset - 3k Matt Yellow White We are professional manufacturer of carbon fiber bike frames, wheels and other bike parts. Our Bicycle Frame are made mainly with Toray T700 carbon fiber. Technologically superior monocoque frame building processes and thick-wall, high vacuum forming machines allow we can control over the shape and the ability to make a better rigidity and strength. EPS core mold and air bag's cost is lower than others. Air bag outside the EPS core mold can working as airproofing, and avoid the EPS toughing carbon fiber. It's easy to take it out after molding. Headsetup 1-1/8down 1-1/4; Accepts 700C Wheels BB TypeBSA BB