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- ROCKBROS is an original cycling equipment brand, owned by a passionate team whose mission is to provide top-quality and comfortable products
- We concentrate on explore the latest cycling trend and create the most functional equipment to all cyclists. Shop the full ROCKBROS line, Enjoy ROCKBROS, Enjoy Cycling!
ROCKBROS Bike Saddle Bag Under Seat Bike Bag Pack Waterproof Bicycle Tool Bag 3D Shell
We hope everyone has a healthy lifestyle and can share the beautiful scenery together
- Our "Y SERIES" bike saddle bag is made of One-piece reflective ring bone, thickened 3D diving cotton and colorful gauze.Stylish and firm.
- One-piece reinforced upgraded strap can bearing 4KG, Please don't worry about buying.
- Design with taillight hook and both sides reflective strips, make sure your safety during night ride.
- Elastic rubber allows the bag to be easily replaced between bikes
- EASY TO INSTALL
- LARGE CAPACITY
- TAILLIGHT COMPATIBLE
INTERNAL 3 MESH COMPARTMENT DESIGN
- Our bike seat bag design with One top mesh pouch and Two side mesh pouches. It is convenient for you to separate CO2 cartridges, tools, keys or some things which need to.
- The length of the oblique depth is 7 inches. So you can put your mini pump, wrench, or some long tools.
Sean o.
Reviewed in Canada on March 10, 2025
My favorite bike accessory. Fits my keys, wallet, multi tool, and more.
Customer
Reviewed in Canada on September 24, 2024
Nice and compact, looks to be good quality, holds mini pump ( not a normal bike pump) plus essential tool kit. Does not get in the way on my mountain bike. Good purchase.
ESR
Reviewed in Canada on August 22, 2024
The structure of the bag is perfect for mounting under your saddle. The materials used are excellent. The velcro staps are strong and hold the bag secure. The zipperd seem strong too. It's easy to clean.
Ryan
Reviewed in Canada on June 11, 2024
Bag is great, when it arrived it was kinda flattened out and miss shaped. I just used the protective crumpled up paper from shipping box. And I shoved that inside the bag and used a blow drier on it for a few minutes. It was back into perfect shape. My samsung galaxy S9 with otter box rubber case only on the phone. Just fits inside the bag, so anything bigger will not fit. The bag has a strong outer layer that's not loud with things bouncing inside. Like plastic or hard case bags. Easy to mount on the bike in multiple ways. Doesn't matter what sex you are. You want this bag in-between your legs. Its firm and holds your junk where it should be. Its not a big saggy bag that holds your junk more to the leftside.
Hammerdog
Reviewed in Canada on September 23, 2023
You get a high quality bag made with highly reflective tape. Fits snug and tight with plenty of room for 2 tubes, leavers, 2 co2 bottles, co2 fill tool, multi tool.I got the matching tube top bag also with reflective tape with a cell phone holder which matches perfectly and is priced very well and good quality.
JC - Toronto, Canada
Reviewed in Canada on August 11, 2023
I bought two of these, one for each of my road bikes. Just big enough for a hand pump, extra inner tube, a few tools, etc. Wouldn't want it any smaller or larger. The small bad on the back is perfect to affix my flashing red light for traffic visibility.
slickvguy
Reviewed in Canada on August 14, 2022
I've used this bag for about a month now and I am very pleased with it. The quality is top-notch. Looks great. Double zipper to open/close. Pockets on the inside sides and best of all another tiny mesh pocket on the "lid" part (where I put my keys). It is extremely easy to "install". Some reviewers complained about the rubber band. I see no problem at all with it. The bag is very secure. Plus, they give you 2 rubber bands, though I doubt I'll ever need to replace the first. Prospective buyers must be aware of one thing though - this bag is SMALL inside. If you have a very large cellphone, it won't fit! The inside is angled downward, so it's a bit difficult to position things sometimes. There is just enough room for a medium size phone, my keys, bike tool, headband, some money. That's it. Very snug. Perfect for me, but if you have any more items or larger items than what I described, pass on this one.
Dennis Woods
Reviewed in Canada on April 16, 2022
I am very happy with the product, because of my bike design i was unable to find a good frame bag.This bag is well designed and easy to install, it also holds a good amount of stuff and it has netted pockets inside to keep stuff organized.I have many small tools and survival gear inside of it, some of the stuff i just push inside of it and will have to dig out later, but i put my keys and cards right at the rear pocket so I can access them easily and I know I wont have to worry about losing them if they were in my pocket.
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