This Pro PLT Alloy Stem is a high performance lightweight and stiff 2014 forged alloy oversized stem. 2014 forged aluminium is a high strength aluminium alloy commonly used in the aircraft industry and a wide variety of high strength engineering applications making it the ideal choice to produce this lightweight, strong and reliable stem. The oversized 31.8mm clamp diameter reduces unwanted flex under high load by increasing strength and stiffness. The stem also features a reversible design with 10 / -10 degree rise and is suitable for 1-1/8 inch diameter steerer tubes. The average weight of the stem is 125g.