ProTaper ATAC Stem - 50mm 31.8mm Clamp +/-5 1 1/8" Aluminum Black/White

The ATAC is back. One of the oldest names in the high-end stem game has returned. And this time it's all blinged out with titanium hardware and a fresh laser-etched finish.Aluminum construction with Titanium HardwareRise: +/-5 degreesClamp Diameter: 31.8mm