The handlebar design popular in triathlons and time trials was developed to improve the aerodynamics of cyclists by allowing them to adopt a ‘tuck’ position similar to that used in downhill skiing. An aero handlebar with elbow rests allows the rider to adopt a position with a flatter back and reduced frontal area. Ultimately, the flexibility of the cyclist may determine the most comfortable position on the bicycle; some riders have difficulty achieving the flat-back position since it involves forward rotation of the pelvis, which places the hip in greater flexion at TDC. Increased hip flexion effectively lengthens the hip extensor muscles, while shortening the flexor muscles, which could compromise the rider’s ability to pedal effectively

so you gonna race this bike or another one?