XLAB Stealth Pocket 500c Carbon Bag Parts-Drivetrain & Brakes-Electronic Components you can track and record

you can track and record performance data without extra external sensors

ANT+ and BlueGiga USB dongles sold separately

Only 16 grams

Simply twist to inflate

Conventional sports drinks made them sick

XLAB Stealth Pocket 500c Carbon Bag Parts-Drivetrain & Brakes-Electronic Components you can track and recordThe STEALTH POCKET 500c is an aerodynamic large volume, bolt on top tube bag. Built out of a sleek, a non porous, durable vinyl exterior material to withstand wear, perspiration and electrolyte drinks. Dual SUPER SLIDE zippers with a non slip rubber zipper pulls help you open the bag from either direction and with quick, easy access. A slim aerodynamic 5: 1 ration airfoil design results in a streamlined low drag aero profile to maximize aerodynamics.