Louis Garneau - Aero Triathlon Bag This Aero bag is designed with a 15-degree angle to eliminate drag while riding. Features a micro-adjustable rail system that fits all types of bike frames while the hook and loop strap accommodates all types of stems. The bag is made from a nylon mesh fabric and opens with a zipper. The anti-slip fabric under the bag and straps provides stability. The maximum capacity is 0.25L. The bag measures 6.75in (17cm) in length, 2.75in (7cm) in height, and 1.4in (3.5cm) in depth.