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and the compartment on the left can hold thin and light items such as mobile phone
the bike spoke light could work continuously for 18 hours in flashing mode
Frequently Asked Questions (FAQ)
83 Inches Manufacturer ROCK BROS Item Package Dimensions L x W x H 4
ROCKBROS Road Aero Bike Helmet for Adults TT Triathlon Helmet for Cycling Size:M and the compartment on theSMALLER AIR RESISTANCE: ROCK BROS Newest road bike aero helmet, teardrop shape provides a best aerodynamic efficiency and ensure the air flow more smoothly. In the Wind Tunnel Testing, ROCK BROS aero helmet get a excellent performance. Comparison with ordinary road bike helmet, this aero helmet have more than 40% decrease of air resistance. EXCELLENT HEAT DISSIPATION: Comfortable temperature from excellent heat dissipation. Called "FORCED AIR
