Due to its light and flexible structure as well as its aerodynamic shape, Flexsun Kit offers zero resistance against lateral and front wind, although it gives you some help when wind goes the same direction as you.
You get used to it very quickly and it does have advantages in cadence, and some additional stability when you pedal.
Also, the flexible materials used to manufacture The Flexsun Kit System are fundamental to absorb any vibrations produced whilst biking, having an enjoyable bike ride experience all along your way.