Giro Source MIPS Mountain Bike Helmet Options:Matte Black Fade The easy-to-operate tilt mechanism with

The easy-to-operate tilt mechanism with two adjustable mast angles keep your bikes from bumping into your car

DIMENSIONS -  11' 0" L x 39" W x 7" diameter tubes

LUMALENS® Optimized Color Technology [Select Colorways] – See more

seam-sealed DryVent™ 2L shell keeps you dry

12 x 8 x 74" [ 30 x 20 x 188cm ]

Giro Source MIPS Mountain Bike Helmet Options:Matte Black Fade The easy-to-operate tilt mechanism withThe source MIPS Helmet combines advanced performance and protection in a rugged, trail ready design. The Source Mips helmet combines advanced performance and protection in a rugged, trail ready design. Featuring deep coverage with aggressive ventilation from 16 vents coupled with deep internal channeling, it helps keep things cool even when the riding gets rowdy. And with the comfort and secure feel of the Roc Loc 5 fit system with Integrated Mips