The Gravity handlebars from FSA are for mountain bikes. Taking the Gravity Light OS, its a strong alloy bar for freeride and downhill racing, which is triple-butted, tapered and shot-peened with a 9 degree back sweep and 4 degree upward bend, giving a length of 680mm and weight at 260g.
Then comes the Gravity Carbon DH Top with carbon / kevlar mixed construction, reinforced brake lever zones, reinforced stem clamp zone and in sizes of 25.4mm or 31.8 with a width of 710mm. The rise is 40mm, 8 back sweep, 3 upward bend. This is an ultimate downhill racing bar of great strenth.