Dynafit Blacklight Helmet dec20 Tailwind Endurance Fuel is specifically

Tailwind Endurance Fuel is specifically designed to give you the fuel you need to push hard whether you're running

Compatible with Shimano 12-speed road groupsets and requires a 12-speed compatible freehub body

Enjoy reliable connectivity with automatic switching between Wi-Fi

Practical probe cover with integrated emergency plan

500 grams per boot in a 27

Dynafit Blacklight Helmet dec20 Tailwind Endurance Fuel is specificallyThe Dynafit Blacklight Helmet delivers dependable protection for demanding ski tours and alpine speed climbs, featuring intelligent design elements. Its compact construction ensures exceptional lightness and comfort without sacrificing safety or functionality. Ample ventilation channels keep you cool during intense climbs. Specifically engineered to pair perfectly with DYNAFIT goggles, it provides a flawless fit and tight seal. Integrated headlamp