The BiKASE Momentum family of saddle bags is the perfect complement to any ride. With a narrow and contoured design, the Momentum fits snugly between the seat post and saddle without interfering with the rider, and, with a double strap design, it couldn't be easier to install. Round that out with a taillight mount and reflective striping. - Reflective stripes - Internal mesh pocket - Internal elastic band - Strap light holder - Small: 25 cubic inches - Medium: 50 cubic inches - Large: 75 cubic inches - X-Large: 110 cubic inches (Black only)