Built using a durable & dependable 3D Forged AL-2014 alloy, this Pro stem is made to deal with the pressures of high-speed road riding. Making full use of its four-bolt headlock clamp, it keeps a firm & focused hold on your bar, resulting in precise handling & steady steering, no matter how fast your run is. Suitable for use with 31.8mm steerers, it comes equipped with a +/- 10-degree angle to set your bars at your favoured height for maximum steering comfort & positioning.