The flow of this DNA filter is 55

piston-Ø 12 mm

Comfort during those summer rides is provided by maximum ventilation at the face level and on the top of the head

an ingenious invention…

For easy storage

Alpinestars - Bionic Action Youth Chest Protector Size:Small - Medium The flow of this DNAAn ultra lightweight protective system offering excellent upper body protection against impacts, this protector features an all new chest protector complete with Cell Technology for ultra light weight and optimum ventilation. The back protector is also new and boasts a softer formulation for an enhanced adaptive fit. Both the front and rear hard shell plates are backed with a bio foam padding for a secure and comfortable snug fit. Quick and extremely