Topeak MidLoader Horizontal Tube Bag - 3L
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Epic off-road bike tours require carrying all essential tools and gear to avoid getting stuck in the middle of nowhere.
Designed to use the unused space in your frame, MidLoader carries the heaviest items for your bike adventure. Made from lightweight, highly water-resistant, and durable materials, it mounts and removes quickly with Velcro closures.
Two water-resistant zipper openings provide easy access to all your gear from both sides.




: 12 cm / 4.7"
| Capacity |
3 liters/183 ci 4.5 l/275 ci 6 l/366 ci |
| Material | Polyethylene/nylon Lightweight, durable, water-repellent, and stain-resistant |
| Bag attachment | Velcro closure |
| Top tube diameter | Fits ø45 - ø66 mm |
| Down tube diameter | Fits ø38 - ø70 mm |
| Seat tube diameter | Fits ø28 - ø60 mm |
| Dimensions |
37.5 x 12 x 6 cm / 14.8" x 4.7" x 2.4" (3 liters) 46 x 12 x 6 cm / 18.1" x 4.7" x 2.4" (4.5 liters) 54.5 x 13.5 x 6 cm / 21.5" x 5.3" x 2.4" (6 liters) |
| Weight |
3L: 169 g / 5.96 oz (black), 152 g / 5.36 oz (green) 4.5L: 195 g / 6.88 oz (black), 180 g / 6.35 oz (green) 6L: 337 g / 11.89 oz (black), 203 g / 7.16 oz (green) |
| Maximum load | 6.5 kg / 14.33 lbs |
Note: sand, dirt, mud, etc., and improperly packed bags can cause paint dulling or scratches on the bike frame in contact areas over time. To avoid potential damage, you should protect the frame or rack with foam padding or protective film before attaching bags or panniers.