but the DebonAir air spring has had a bit of a revamp

the E-Thirteen TRS Race hubs feature large

Wet boiling point of 187°C

and the tongue gussets help prevent moisture

100 Percent Altis Helmet - S/M - Grey Virtual Parent but the DebonAir air springThe100% Altis is engineered for the demands of the modern day mountain biker. Lightweight, breathable with class leading performance and safety all with a modest budget in mind. Who's this item for: Enduro, Trail and All Mountain riders looking for a lightweight, breathable and comfortable half shell helmet to keep them safe when out riding. Construction: High Density EPS foam injection and moulded with polycarbonate. Rotational liner: Smartshock