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🚴♂️ Gear Up, Ride Out, Stay Dry — The Ultimate Bike Companion!
The MOSISO Bike Rack Bag is a waterproof, durable polyester pannier designed for cyclists who demand both style and function. Measuring 15.1 x 6.39 x 6.39 inches, it offers a generous 12L main compartment plus six additional pockets for organized storage. Securely fastened with four hook-and-loop straps, it stays stable on rugged rides. Adjustable shoulder strap and top handle provide versatile carrying options, making it perfect for daily commutes or weekend adventures.








| Asin | B08NND6SMH |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #5,650 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #5 in Bike Panniers & Rack Trunks |
| Brand Name | MOSISO |
| Capacity | 12 liters |
| Closure Type | Double Ring |
| Color | Black |
| Compatible With Vehicle Type | Bicycle |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,914) 4.6 out of 5 stars |
| Handle Type | Web Handle |
| Item Dimensions L X W X H | 15.1"L x 6.39"W x 6.39"H |
| Item Type Name | Luggage- Carry-On Luggage |
| Manufacturer | Mosiso |
| Manufacturer Part Number | MO-Bike-Rack-Bag-Black |
| Material Type | Polyester |
| Model Number | MOBRackBG001 |
| Mounting Type | Seat Mount |
| Number Of Compartments | 1 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Pattern | Solid |
| Shell Type | Soft |
| Size | 15.1 x 6.39 x 6.39 inches |
| Strap Type | Adjustable |
| Style Name | Bike Rack Bag |
| Unit Count | 1 Count |
| Water Resistance Level | Waterproof |
User
Well-designed trunk bag
I bought this for one of my ebikes and it's a very well-made and useful trunk bag. It attaches securely to the rear rack and does fit under the seat. The two side zip pockets are long enough for a phone or wallet, while the roomy inside can hold tools, a light jacket, small first aid kit and more. At the end is a Velcro pocket just right for keys or something small. And there's more: the top is designed with stretch laces to hold a water bottle, plus there's a mesh slip pocket on top as well. If out for the day on the bike, I could stash a DSLR camera, water, emergency tool kit and everything I need. The outside material sheds rain. The bag is lightweight but sturdy, attractive and all the zippers work well. Great purchase and I may order another.
User
Great bike rack bag
This bag fits perfectly on my rack. It's waterproof because I just got caught in a storm and not one drop went inside. I feel this bag is worth twice the money it sells for. The material used is top grade and the workmanship is perfect. The bag is roomy and has three pockets on the outside and a large interior. One thing I would like to see is four loops (one at each corner)so it can be zip tie it to my rack which would make it harder to steal. Overall, this is a excellent bag and I highly recommend it.
User
Attractive, Well-Made and Functional Rear rack cycling bag
This is an attractive and well-made rear-rack bike storage bag. It easily attaches to the rear rack with four adjustable Velcro straps. The tapered front end of the bag fits nicely under the rear of the bike seat. The main compartment is relatively spacious; the two side zipper pockets are useful, inter alia, for holding a cellphone, keys and garage door opener. The four zippers are rugged. The nylon material is thick enough to hold its shape well. A carrying strap is supplied but I haven't used it, nor have I tested claims of waterproofing, although the recessed zippers will at minimum be water resistant. I am expecting the bag to work well for my commute.
User
Bike Shop owner rates 5stars
I frequently test Amazon's unknown brands against the major bike shop brands. I use this on my own bike. The design, features, and quality are XLNT and very competitive with the best brands. And the price is a bargain. It attaches to the rack securely. My only complaint, and loss of a star, is the lack of method for attaching the typical tail light with an integrated rubber belt.
User
Great Quality Bike Bag
This bike bag works perfectly for what we need. The size is just right — plenty of space for essentials like wallet, keys, snacks, and a bike lock, without being bulky. The black color looks sleek and matches the bike nicely. It feels sturdy and well-made, so I know it will hold up on our rides.Very happy with this bag and would definitely recommend it!
User
Happy with this rack bag.
I bought this after making the mistake of buying a model that did not have a carry handle. Since I'd like to take the bag off and keep it with me when leaving the bike for any reason, this was a must have. This comes with a handy handle on the end, as well as a shoulder strap, which I'll likely never use, but is handy to have.The internal storage area is roomy enough for my camera and 300mm zoom lens as well as a cable lock, and the side pockets are handy for rain covers, a set of hex keys, and other small tools, etc.It has a nice reflective strip on the rear as well.Strapping it on the rack is very simple, as is removing it, though you do have to thread the rear strap through a buckle to then pull it tight to fasten it. Not a problem. Straps and velcro are heavy duty.Can't testify as to it's water resistance, as I haven't gotten it wet and hope not to.It's a well made bag, plenty of storage, side pockets are handy, as is a small pocket in the back, and the carry handle is handy. Very satisfied.
User
Totally Awesome!
Absolutely fantastic build quality. Straps tight to my rack with no chance of slipping. Has more than enough space to carry what I need for my rides. I couldn't be a happier with my purchase. Highly recommend
User
Amazing bag for the price
I’ve had it for a few months now and it’s been great. For it only costing $25 it’s made pretty well, I’ve had to overstuff it a few times and the zippers stay closed and don’t pop open. Def recommend if you aren’t looking to drop 100+ on the nicer bags
User
Thumbs up
Well made looks good lots of storage
User
Stylisch
Schaut auf jeden Gepäckträger gut aus.
User
Excelente espacio y buen diseño
Muy práctica para guardar impermeable, chamarra, ropa deportiva y luce bien en la bici
User
Roomy trunk
Light weight and capable of holding a lot of things.
User
Un gran regalo
Práctica, espaciosa y de excelente calidad. ¡Fue un gran regalo!
Trustpilot
2 weeks ago
2 weeks ago