S-Works Roubaix SL8 - Shimano Dura-Ace Di2 shipping_PA Injection STRIDE toe-flex technology allows

Injection STRIDE toe-flex technology allows for natural toe movement off-bike but remains stiff for pedaling: Stiffness index 6

using narrower bars

And in the real world

It’s a hook bead

S-Works Roubaix SL8 - Shimano Dura-Ace Di2 shipping_PA Injection STRIDE toe-flex technology allowsWe created the endurance road category two decades ago proving that high ergonomics means high performance. Today, the Roubaix SL8 with Future Shock 3. 0 is lighter, faster, and smoother than any road bike ever made, unleashing unmatched confidence. With the all new, aero paradigm shifting speed of Roval Rapide CLX III wheels, its reached a new level of Smoother is Faster performance. The road may be hell below, but on Roubaix, its always heaven