With three headtube heights for every frame size, thanks to the press-fit 3D system, this tri bike from Argon 18 might be one of the easiest to customize fit. The frame is also just as aerodynamic as the E-118 for a fraction of the cost, and the redesigned braking system pushes the wind-cutting technology just a bit further. For a complete bike at $3,000, you'll be hard pressed to find a better overall value. New colorways are also part of the 2018 update.