Description The Topeak Aero Wedge Pack is a saddle bag designed for carrying spare tubes, tyre levers & c02. The Aero wedge is available in 4 sizes Medium & Large sized bags have an expansion point for carrying more gear Light clip onthe back of the bag allows you to mount your rear light 3M reflective strip integrated into the bac of the bag Bags open super wide for easy access to your gear Internals of the bag are yellow to make finding things easier Compatible with seatposts 27.2-34.9mm Nylon bag with buckles & velcro mounts Available in multiple sizes depending on what you want to carry Micro Small Medium Large Volume 0.41 L 0.66 L 0.98 – 1.31 L 1.48 – 1.97 L Dimensions 16 x 8 x 7.5 cm 18 x 11 x 8.5 cm 20 x 12 x 11 cm 23 x 14 x 13 Weight 85 g 100 g 130 g 165 g