Topeak Aero Wedge Strap On Seat Bag

Aerodynamic styling with traditional strap mount. Expands to add 20-30% more space Big zip door opening so you can see everything inside easily 3M reflective strip for increased nighttime visibility Tail light mount fits most tailights Nylon Straps/ with quik release buckles Works on 98% of saddles, even spring saddles 1200 Denier Polyester Material Micro: Capacity: 0.41 L / 25 ci Size: 16 x 8 x 7.5 cm / 6.3" x 3.1" x 2.9" Published Weight: 85 g / 2.99 oz TC2471B Small: Capacity: 0.66 L / 40 ci Size: 18 x 8.5 x 11 cm / 7.1" x 3.3" x 4.3" Published Weight: 112 g / 4.0 oz TC2260B Medium: Capacity: 0.66 L / 60 - 80 ci Size: 20 x 11 x 12 cm / 7.9" x 4.3" x 4.7" Published Weight: 130 g / 4.58 oz Expanding compartments increase storage in seconds TT2261B Large: Capacity: 1.48-1.97 L / 90-120 ci Size: 21 x 12.5 x 14 cm / 8.3" x 4.9" x 5.5" Published Weight: 176 g/ 6.20 oz Expanding compartments increase storage in seconds TT2262B