Teravail Radia Stem - 120mm 31.8mm Clamp +/-6 1-1/8" BlackStems have a simple but vital job and Radia does it well while looking good. This road and gravel bike stem features a secure four bolt clamp to keep your handlebar right where you want it and a wide range of lengths for finding your fit. If your bike build is missing the final piece you cant go wrong with the refined Radia stem especially when paired with Teravail handlebars. 3D forged for increased strength then CNC machined Four bolt faceplate