Check the listing for details. Leatt 1.0 Gravity MTB Mountain Bike Helmet Brown. Color: Brown, Condition: New with tags. Suitable for Bicycle. Listed at 131.00 USD. The Gravity 1.0 helmet offers trusted full-face protection at an unbeatable price-ideal for new riders, weekend warriors, and growing groms. Built with a tough polymer shell and certified to ASTM F1952-10 for downhill riding, it delivers serious impact protection whether you're hitting trails, bike parks, or pump tracks. Leatt's 360 degrees Turbine Technology helps reduce rotational forces and absorb low-speed impact energy, working together with impact foam as part of a 3-in-1 safety system. The air vents are not mesh-covered, maximizing airflow and making the Gravity 1.0 a great choice for warmer days on the hill. A breathable liner, neck brace compatibility, and secure DD-ring closure round out a value-packed helmet designed for confidence on every ride.