during which the drivetrain automatically shifts between the front chainrings

Track the details of every ride with mountain biking metrics plus specialised Grit™ and Flow™ measurements that rate trail difficulty and how smoothly you descend

CHARGING TIME

Through an intuitive app

24/7 health and wellness monitoring with wrist-based heart rate

alba optics delta wht copy handlebar bag during which the drivetrain automaticallyFree DHL Shipping in Europe Albaoptics Optics DELTA glasses are inspired by models from the 80s and 90s. Laurent Fignon, The Professor, wins the Giro dItalia in 1989 only a few months before the fall of the Berlin Wall. Computers make their way into homes and offices. Gianni Bugno makes people dream. Miguel Indurain becomes the last of the biggest champions. It is the beginning for a Russian, Berzin, and the only time for the pirate, Pantani, who is