Giro Tyrant Spherical MIPS MTB Cycling Helmet - Black BackInStock-12-02-2026 Cartridge bearings are replaceable

Cartridge bearings are replaceable

With PerfectView Zoom™

helping to trap body heat at the core

Large water-resistant zipped pocket

5 grams in a size that fits in the palm of your hand

Giro Tyrant Spherical MIPS MTB Cycling Helmet - Black BackInStock-12-02-2026 Cartridge bearings are replaceableWhile the style is understated, Tyrant boasts countless under the hood tech breakthroughs including Wind Tunnel Ventilation and MIPS Spherical technology. MIPS Spherical utilizes a pair of foam layers that work like a ball and socket to redirect impact energy in a crash. One layer is EPS, which is well suited to high speed crashes. The other is a lower density EPP foam with rebound characteristics to address low speed, roll around in the dirt type