Giro Eclipse Spherical MIPS Road Bike Helmet - Matte Charcoal Mica Size:Medium (55-59cm) A single lock-on design clamps

A single lock-on design clamps them tightly in place so you can focus on attacking the trail

yet offers impressive cooling power in a light-yet-durable design that's been a rider favorite for years now

a lot of grip in turns from the pronounced outer lugs

enhanced speed

Giro Eclipse Spherical MIPS Road Bike Helmet - Matte Charcoal Mica Size:Medium (55-59cm) A single lock-on design clampsECLIPSE SPHERICAL HELMET THE AERODYNAMIC ECLIPSE SPHERICAL IS OUR MOST SOPHISTICATED, STYLISH, AND LIGHTWEIGHT AERO ROAD HELMET, AND IT'S CRAFTED WITH SPHERICAL TECHNOLOGY POWERED BY MIPS, SO YOU CAN RIDE WITH MORE COMFORT AND AN ADDITIONAL LAYER OF PROTECTION. AERODYNAMICS INCREMENTAL GAINS, EXPONENTIAL REWARDS Not only is Eclipse Spherical a big step up from the speed of our previously fastest aero road helmet, the Vanquish, it is the fastest road