On-the-road-for-a-day-bike-tour-with-luggage-light-as-a-feather:-Race-Air-10-weighs-no-more-than-800-grams.-Thanks-to-its-three-sided-ventilation-and-compact-fit-with-ergonomically-designed-mesh-shoulder-straps-and-hip-fins-the-Race-Air-models-can-be-used-on-the-most-challenging-stretches.-And-thanks-to-the-volume-expansion,-you-can-take-even-more-on-tour-with-the-Race-EXP-Air-14 3.