Giro Eclipse Pro Spherical MIPS Road Bike Helmet - Matte White Size:Medium (55-59cm) no matter how much power

no matter how much power you put to the pedals

Riders want the derailleur to do its job shifting on command

H803 can detect the changes in heart rate during exercise and help the customer control the intensity of exercise

Large power button for easy operation

Construction: 6061-T6 aluminum

Giro Eclipse Pro Spherical MIPS Road Bike Helmet - Matte White Size:Medium (55-59cm) no matter how much powerEclipse Pro Engineered for riders obsessed with speed, the Eclipse Pro is designed to win, blending our most advanced aerodynamics with category leading protection and all day comfort. From breakaway victories at the Tour de France to record setting wins at Leadville Trail 100, the Eclipse Pro is advanced engineering for riders obsessed with speed. The result of deep collaboration with the world's fastest pros, endlessly refined with CFD in the Giro