Eagle Z-Series Carbon Aero Road Bike - Made with Japanese 700-Series Lightweight Carbon Fiber with Shimano 105/Ultegra/Di2 Components UPGRADES: The Z3 is outfitted with Eagle CARBON WHEELS, CARBON HANDLEBARS, and SHIMANO ULTEGRA DI2 ELECTRONIC shifters and derailleurs. LIGHTWEIGHT: Made with HIGH-QUALITY JAPANESE 700-SERIES CARBON FIBER. Not only is carbon fiber lightweight, it improves vibration damping caused by rough roads providing INCREASED COMFORT and REDUCED FATIGUE. AERODYNAMIC: With its AERO FRAME TUBING and PRECISE CARBON CONSTRUCTION, this bike REDUCE DRAG while maintaining STIFFNESS and HANDLING. VERSITLE: With an ADJUSTABLE seat angle track, you can achieve your optimal FIT for your style of riding. AMERICAN ASSEMBLED & 100% SATISFACTION GUARANTEE: At Eagle Bicycles, we STAND BEHIND OUR PRODUCTS with pride. If you arent happy for any reason, we will refund your purchase immediately.