Giro Helios Spherical Helmet Color:Matte White / Silver Fade 80/90/100mm travel (size-specific)

80/90/100mm travel (size-specific)

Lock Ring Material / Finish: Steel

0 D - TT (MM) 574 598 626 655 E - REACH (MM) 440 460 480 500 F - CS (MM) 435 435 440 445 G - WB (MM) 1190 1215 1244 1273 H - BBH (MM) 341 341 341 341 I - SOH (MM) 733 754 769 780 J - STACK (MM) 612 621 631 640 K - HT (MM) 95 105 115 125 RIDER HEIGHT (CM)  160-170   169-179   178-188   187-198 Fox Transfer (MM) 150 175 175 175 RS Reverb (MM) 150 175 200 200

but don’t quite warrant a mud spike

Giro Helios Spherical Helmet Color:Matte White / Silver Fade 80/90/100mm travel (size-specific)Giro design, and high performance innovation for core road cyclists, gravel enthusiasts, and adventure riders. Advanced performance for the adventurous The heart of the Helios's extraordinary design and performance is Spherical Technology, which utilizes a ball and socket design powered by Mips, the market leading brain protection system that can help to reduce rotational forces. Spherical Technology allows the helmet's outer liner to rotate around