Specialized Roubaix SL4 Comp RIM Di2 Bike 2017 Size:58 arch support and a refined

arch support and a refined tapered

Premium performance and weather resistance for the snow or street

Generous synthetic insulation creates an ultra-cozy feel

Chain: SRAM PC-1031

The Carbon Slimewalls and Double Impact Plates give the board the durability to go to hell and back without as much as a scratch

Specialized Roubaix SL4 Comp RIM Di2 Bike 2017 Size:58 arch support and a refinedThe Roubaix SL4 Comp Di2 is what you might call an "upgrade," as this endurance bred bike is head and shoulders above its competition. After all, we designed it to be more than just a step up from an entry level road bike. Instead, it's a race ready machine that's tailored to long, hard rides in less than ideal conditions. And to make sure of it, its FACT 10r carbon fiber frame has been outfitted with Shimano's 11 speed Ultegra Di2, an ultra stiff