p>Aerodynamic seat bag holds tubes, tools and other repair items. Mounts with our innovative Quick Release Buckle system to fit all railed saddles. Four sizes offered to exactly fit riders needs./p>\np>strong>ADDED FEATURES/strong>3M reflective strip, Safety light clipbr>* 3M is a registered trademark of 3M Company./p>\np>strong>BAG ATTACHMENT/strong>Nylon straps / Buckle/p>\np>strong>CAPACITY/strong>0.41 L / 25 ci (Micro)br>0.66 L / 40 ci (Small)br>0.98 – 1.31 L / 60 – 80 ci (Medium)br>1.48 – 1.97 L / 90 – 120 ci (Large)/p>\np>strong>EXPANDING/strong>Medium, large sizes/p>\np>strong>MATERIAL/strong>1200 denier polyester/p>\np>strong>SEATPOST DIAMETER/strong>Fits 27.2 – 34.9 mm/p>\np>strong>SIZE/strong>16 x 8 x 7.5 cm / 6.3 x 3.1 x 2.9 (Micro)br>18 x 11 x 8.5 cm / 7.1 x 4.3 x 3.3 (Small)br>20 x 12 x 11 cm / 7.9 x 4.7 x 4.3 (Medium)br>23 x 14 x 13 cm / 9.1 x 5.5 x 5.1 (Large)/p>\np>strong>WEIGHT/strong>85 g / 2.99 oz (Micro)br>100 g / 3.52 oz (Small)br>130 g / 4.58 oz (Medium)br>165 g / 5.81 oz (Large)/p>