ICAN Aero 700c Carbon Road Bike Frameset with Handlebar Stem Seatpost and Saddle 50/52/54/56/58cm AERO ROAD BIKE FRAMESET, STREAMLINED DESIGN, AERODYNAMIC CARBON FORK AND SEATPOST-100% Full Carbon Material, streamlined fork design, offering excellent aerodynamic effect. And easy to adjust seat post height OVERSIZE BUTTOM BRACKET DESIGN, MAXIMUM HORIZONTAL INTENSITY-New design of the buttom bracket, the width is 86.5mm. with larger regional structures,upgrade frame horizontal strength. The designer increase cross-sectional area and reduce pipe thickness to increase torsional strength of buttom bracket area. These designs improve the level of frame rigidity and Stampede between control and efficiency SHORT REAR TRIANGLE DESIGN-make the frame more stiff and easy control, enhance instant explosive force. and Front Derailleur use Direct Mount Groupset TAPERED HEAD TUBE DESIGN-Full carbon fiber tapered headtube 1-1/8" ---1/1/2" design,strengthening the torsion rigidity , let rider have betterhandling . Tapered headtube, reduced 11% cross section area, improve performance, reduce wind resistance, and enhance aerodynamic effect Send the items by EMS, estimated delivery time is 4-8 working days