There is a bleed valve on the side to allow you to drop pressure out too

it automatically changes to economic flashing mode(30LM)

Who's this item for: All MTB riders looking for best-in-class protection in a stylish helmet that also provides some excellent integration of glasses

Comfort liner prevents material bunching to ensure a snug fit while providing a soft-feel contact against the skin

UP-SET FEATURES

Fasthouse Alloy Ronin Long Sleeve Jersey - XL - Black algolia-ignore There is a bleed valveFastDri Moisture Wicking Fabric Slimmer Race Fit w V Cut Collar Mesh Venting On Back & Underarms Slight Drop Tail On Back Panel 94% Polyester 6% Spandex