A look at SRAM's trailblazing 11-speed MTB drivetrain's creation We've already ridden SRAM's XX1 group and as you might imagine, there was a lot of engineering that went into creating this ...

We’ve been skeptical of 11 speeds on road bikes, mainly because the benefits are muddy. But on the dirt side, SRAM is making a compelling argument for 11 gears out back with it’s new XX1 drivetrain.