GIST - Mask Photochromatic Color:WHITE both on flat terrain and

both on flat terrain and hills

Technical Specifications (26" Version):

Gruppo Shimano Ultegra 11V: Dotata del rinomato gruppo Shimano Ultegra a 11 velocità

Barometric altimeter ✔

con una funzionalità che si abbina al moderno sistema frenante XTR

GIST - Mask Photochromatic Color:WHITE both on flat terrain andThe photochromatic system allows the lenses, when exposed to UV radiation or sunlight, to start a reversible chemical reaction that leads to gradual darkening. They return to their initial transparent state when the light or UV radiation disappears. These glasses are top class lightweight, weighing 30g, thanks to the extended single shell frame cut precisely from polycarbonate with 100% protection from UVA, UVB, and UV rays. The Mask glasses'