A technically advanced design allows the Evolve stem to handle serious \'All Mountain\' riding at a very competitive, race ready weight - 160 grams (100 mm).The Evolve is a high performance stem at a reasonable price.Key Features:Forged & blasted 6061 aluminium for high strength & fatigue resistance at a reasonable weight.,Four bolt bar clamp holds bar securely in position.,Interlocking U-Shaped Handlebar Clamp Geometry.,Faceplate eliminates stress risers which could cause your bar to bend or break. This is particularly important for carbon bar users..Specification:Built for: XC / Trail / AM.,Rise: + or - 6° (reversible).,Bar Diameter: 31.8mm.,Stack Height: 38mm.,Weight: 160g (100mm).,Colour: Black..