View Giro Helmet Audio System Background. 14 vents with internal channeling. There's a control right on the cord that lets you adjust the volume and mute without.
Giro's roc loc dh retention system is used to adjust the fit via a ratcheting, rubberized dial, and there are also multiple height positions to adjust where that system.
Free delivery and returns on ebay plus items for plus members. All giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards. Compatible with aftermarket giro audio systems by outdoor tech. Seamless compatibility with all giro goggles.