Products / Backpacks / The Ninja messenger backpack
The Ninja messenger backpack
The Ninja is the ultimate bike messenger bag for tough work and large deliveries.

The Ninja is the ultimate bike messenger bag for tough work and large deliveries.

It features an extendable flap part which can be opened up when large deliveries (eg. big boxes) needs to be carried. The bag also has lots of pockets: there are 2 zippered pocket under the extension flap. Also 1 zippered pocket on each side with zipper (U-lock holder quick access) and one large flap pockets with velcro on each side of the backpack. Inside there are 2 mesh pockets with velcro closure on the top.

The extendable box carry flap closes with magnetic buckles and has 6 straps inside which can help you securing the load to the side and to the top of of the bag.
The back is padded and has removable waist and chest straps – and also has a plastic insert which keeps the bag shape when empty.

Design – JOINLAB – Juan DeLatorre



We use CORDURA® material as the outer layer of our bags. Military clothing and equipment are also made from it. UV-resistant, highly wear-resistant, impregnated material. The inner layer is made of waterproof tarpaulin. The larger bags are lined with a thicker truck tarpaulin, while the smaller ones are lined with a thinner, more wrinkle-resistant, lighter tarpaulin. On the messenger bag, the inner and outer layers are sewn separately, and we only join them together at the turn-off part, so the inner layer 'floats' inside the bag - so rainwater cannot seep in through the seams. The shoulder straps of our bags are made of seat belt webbing. The reflective strips come from 3M, the zippers and velcro are YKK products. Our suppliers of plastic accessories and buckles are Duraflex and YKK. 



The Ninja offers many functional pockets: two large zippered pockets under the expandable front panel. On both sides of the bag, there is a large pocket closed with Velcro and a small front flap (A5 folders can also fit in it). There is also a zippered pocket behind them. This zippered pocket can also be reached by reaching back on the left side of the bag, making it an ideal place for the U-lock. On the right side is the zipper from above, there is a good place for the water bottle.

The bag has two mesh pockets inside.

The front panel can be expanded in advance and thus extra packages can be attached to the outside of the bag.

Shoulder Straps


The back part is spongy and stiffened, so the bag keeps its shape even when it is completely empty. In this case, you can shrink it to a small size with 6 shrinks (2 on the side of the bag, 2 on the bottom). A removable chest and waist strap makes carrying large loads more comfortable and stabilizes the bag on your back.

Optional Extras


No extra options can be selected for this bag.

Lifetime guarantee

At Bagaboo we are so committed to the quality of our products, that our company provides to all a lifetime guarantee. If you're unsatisfied with the product when you receive it, or it doesn't perform as expected, return it for replacement, repair or refund. We have built our reputation by the quality and durability of our products. Our Lifetime Guarantee covers all of our products, from manufacturing defects in materials and workmanship for the lifetime of the product.

Lifetime Guarantee does not cover damage caused by normal wear and tear, accidents, improper care or non-standard usage.

Size chart

38cm (bottom width) x 27cm (bottom depth) x 60cm (height closed) , 85cm (height open)
15” (bottom width) x 10.6” (bottom depth) x 23.6” (height closed) , 33.5” (height open)

61 liters closed, 87 liters fully packed – plus the extender on the outside for extra loads
3700 closed, 5300 fully packed – plus the extender on the outside for extra loads