At the top of the Specialized Endurance line, The 2011 Roubaix SL3 is a comfortable road bike that can race with the best of them, and yet versatile enough to be appealing to all riders.
Engineers have designed a frame that assists the bike to limit vibration and increase sticktion, which delivers a smoother and more efficient ride. And although Specialized has been using Zerts elastomer inserts for a while, they have been given a permanent home, securely placed in a nook of the seat stay. Specialized has included internal cable routing and boasts that the bottom bracket to chain stay is in one piece to increase the efficiency of power transfer.
Specialized has also taken responsiveness into consideration, and made sure to leave their “cobra” tube unchanged, which widens and drops into a fatter, tapered head tube for extra stiffness. They also offer a redesigned, stiffer fork with a two bladder molding style.
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