Specialized Roubaix SL4 Comp RIM Di2 Bike 2017 preschool lightweight triangular aluminum race shaft

lightweight triangular aluminum race shaft and World Cup grip

5-LITER CRUX™ RESERVOIR

COLORS: Black or White

The ATAC MX 6 is the perfect pedal for mountain

Specialized Roubaix SL4 Comp RIM Di2 Bike 2017 preschool lightweight triangular aluminum race shaftThe 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