Weighing in at just over 20 lbs, the 18 speed ZR-900 carbon fiber frame delivers high quality performance. It is a Full HI-Modulus carbon fiber frame and fork. Shimano Sora shifter, Derailleurs, and gears all perform in a high class level. Crank is Prowheel Alloy metal gray sand anodized. It is perfect for a low high-end racing level on the road.