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Every A-Series stem is machined anodized and assembled entirely in I9s Asheville NC facility and available in a variety of lengths geared for modern trail bike geometry. Add our expressive mix of 11 anodized colours and youve arrived at the intersection of execution and desire. Industry Nines A-Series mountain bike stems are crafted from domestically-sourced 7075 aluminium billet into a svelte design achieving a nexus of form and function. Taking name and shape from the A-axis in our five-axis machining centers the A35 and A318 are destined for your favourite all-mountain rides. The A35 and A318 utilize either a 35mm or 31.8mm handlebar clamp diameter providing 180 degrees of contact on the stem body for twist-free security that will play nice with both alloy and carbon bars. Stainless steel hardware ensures everything stays in place and looks great regardless of mud-blasting washes or rainforest climates.