Official Kask Cycling on Instagram: “Kask PROTONE Light and Performance Available in three sizes: S- 50-56 cm - 19 5/8 - 22 1/8 inches M- 52-58 cm - 20 1/2 - 22…
Protone Icon ‹ Kask Sport
KASK’s most advanced helmet to date, the Protone was developed i – Triathlon LAB