Utilizing the same compliance-oriented and performance-minded frame technology features found throughout the entire VR line, the VR40 frame is built from TIG-welded Hydroform 6061 aluminum and is paired with a UHC Advanced carbon fiber fork. Its component selection was handpicked for maximum utility to deliver the rider a versatile experience for every adventure down the road.

http://www.feltbicycles.com/Canada/2016/Bikes/road/endurance/VR/VR40.aspx