Truvativ Atmos Carbon 31.8 Flat Handlebars - 760mmTruvativ Atmos Carbon 31. 8 Flat Handlebars 760mm Atmos is our new premium offering for cross country performance. The Atmos carbon flat bar is an updated, more modern cross country bar with a 760mm width and a 9 backsweep. The bar can be trimmed by up to 40mm per side allowing you to customize the bar to your preferred width. This is the lightest bar in the Atmos range. 760mm wide to start and trimmable by 40mm each side Specialty tuned carbon