The arx ii pro 17 degree stem from 3t is an evolution of the well liked arx alloy stem which has found a place on every sort of bicycle since its launch in 2007 the pro model is made from al 2010 and features a subtle refresh of this classic design the faceplate is drawn in tighter at top and bottom for a more ovalized frontal appearance while retaining the cut out 3t logo the sides of the extension are slightly flattened for a more sculpted look by comparison with the tubular section of t