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VENTILATION VIA "WIND TUNNEL" TECHNOLOGY — Giro helmets are developed using our exclusive "Wind Tunnel" ventilation system
The handlebar is fixed using two hexagon socket screws (5 mm)
Speed top for full distance racing
we had to make 28 prototypes and implement our most extensive testing program
trifonction femme core spr oly castelli COLOR:BLACK VENTILATION VIA "WIND TUNNEL" TECHNOLOGYCreated for Olympic sprint and distance events, bringing speed and comfort as well as durability to last your entire racing season. Product features Short distance racing suit for speed and comfort Endurance Evolution fabric is lightweight but supportive Close fitting top with longer legs Reduced seams for faster swimming Envelope back pocket stays closed in the water but makes it easy to carry a gel Smooth fleece seat lining for cycling while
