The Pro Vibe stem is completely made of aluminium and provided with light weight titanium bolts which results in optimal stiffness. The aerodynamics of the stem has also improved a lot. This thanks to the special design and an integrated top cap. This results in less vibrations which results in more speed.
The Pro Vibe stem is ready for the future. The stem has special cable holes for internal cables for the Shimano Di2 cables. No cable in sight, only the benefits. With the Di2-integration less is more.