Star Pro Shield Color:Red/Silver Blur Pair with your smartphone for

Pair with your smartphone for on-wrist calling with the built-in speaker and mic

5mm) in the middle section

1-finger /each

Pulleys for SRAM

loose terrain For wet

Star Pro Shield Color:Red/Silver Blur Pair with your smartphone forUNCOMPROMISING SPEED Faster at all coststhats the idea behind the Star Pro, a game changing aero road cycling helmet that gives riders the power to optimize performance on the fly in ever changing race situations. Switch from full ventilation on climbs to wind slicing aerodynamics in the sprints and flats. This groundbreaking Active Aero technology can be engaged with the simple slide of a button. Even the adjustable strap yokes are optimized to save