Giro Tenaya Spherical Helmet Cranks Thanks to the waterproof roll

Thanks to the waterproof roll closure —which is closed by three silicone rings— paired with the proven nylon fabric

With precise ventilation ports and internal channels to control air intake and release at both low and high speeds

It works on just about anything

which allows for compatibility with virtually all two-wheeled pedal-driven bicycles

- Brake lever_Brake fluid_SHIMANO Mineral Oil SHIMANO Mineral

Giro Tenaya Spherical Helmet Cranks Thanks to the waterproof rollModern freeride styling teams up with advanced technical features to provide fit, comfort, and protection for long days chasing the perfect turn, exploring the mountain with family, or venturing into the backcountry. Warmth and comfort are driven by the Plush Max lining, our In Form 2 fit system, and adjustable venting. And for the highest levels of protection, we arm the Tenaya with our proprietary Spherical Technology, powered by Mips, to reduce