Spectrum Helmet Size:L The Birzman Diversity 17 covers

The Birzman Diversity 17 covers the fastener range that matters most on modern bikes

go a size up

repeatable inflation on every ride

Complete your travel setup with a quality bike travel toolkit

keeping weight off your back and improving comfort on long rides in India's heat

Spectrum Helmet Size:L The Birzman Diversity 17 coversRiding in India demands a helmet that works as hard as you do. Whether you're grinding up the Western Ghats near Lonavala, navigating Pune's morning traffic, or clocking early kilometres on Delhi's ring roads before the heat peaks, the Rudy Project Spectrum Helmet brings certified protection, active ventilation, and a secure adjustable fit to every ride. Use Cases Daily training. Ventilated construction for 35C+ Pune, Hyderabad, and Chennai training