More than a decade after the original Giro Nine helmet was introduced, it's soul lives on in the all new Nine.10. With style cues from Giro's Seam helmet and featuring their legendary In Form fit system, this lid packs a lot of bang for the buck. Make sure you check out Giro's new Weather Strip Vent Shield which replaces hard to keep track of vent plugs.
Compatible with all after market TuneUps systems
Compliance: ASTM F2040/ CE EN1077
Sizing: S (52-55.5CM) M (55.5-59CM) L (59-62.5CM)