ThermoSyphon system, the next generation of the legendary 3D Bionic Sphere system, cools when one sweat and warms one when you're cold. The integrated pad and the Aktiv-Bund provide more comfort when biking or spinning. Production on precise machines with Retina ultra-high-definition technology ensures greater density and heightens the effectiveness of all functions. Ensures greater density and heightens the effectiveness of all functions
Product specifications
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