Mounting style: Single clamp lock-on

With an extremely high boiling point of 300° C

Spokes: Syncros (made by a Swiss Company

Pros: Ergonomic design with good breathability

100 Percent Altis Gravel Helmet - L/XL - Black PLP|Colour Mounting style: Single clamp lock-onThe new 100% Altis. Engineered for the demands of the modern day gravel rider. Lightweight, breathable with class leading performance and safety all with a modest budget in mind. Who's this item for: This is marketed as a Gravel helmet but it's just as well suited to XC, Trail, and Road riding. Construction: High Density EPS foam injection and moulded with polycarbonate. Rotational liner: The Altis uses the Smartshock Rotational Protective System