ROCKBROS Bike Saddle Bag Bicycle Seat Bag 3D Shell Saddle Bag Under Seat Cycling Seat Pack for Mountain Road Bike Bicycle Red

Solid build

Very good quality. Very high reflected. Perfect water proof. Very good shape

The saddle bag look small in picture but not in real. Plantey of space i use to kept Bike Tube, Tools, some Energy bar as well my phone also.

Affordable and useful each such space all my tools kit I put inside.

This unit is solid and well made. It's a touch bigger than expected, but fits well underneath the seat and is not in the way. Big enough to hold a 29" MTB tyre tube, 2x CO2 cannisters and valve, a set of allen keys, small multi-tool, some cash, a spare hanger and a small rag. Does not rattle or swing around when riding.

Nice bag if you have nothing else on the saddle rails like a reflector, light or radar.

I relegated my 15 year old saddle bag to a back up bike and replaced it with this one. It looks like it came with the bike; with the way it fits under my seat and the zipper is at the perfect location that is easy to access the compartments. It is a little larger capacity than my older one so i can store an extra co2 cartridge and a few other items in there. The perfect size for my needs. The color I chose matches my frame nicely. This bag is a nice upgrade for my cycling needs.

This bag sits up against the seat really close. and since it is a bit stiff you can fit critical items in it. I like bags that have straps while this has Velcro strips. I guess you can snug it up quicker but getting through the rail is not as easy but not a deal breaker. it has an attachment for a light which is nice even though I am sure the light sways since it is not a solid attachment. might not work so well for rear camera or radar. I do not know. has a few inner pockets so you can sperate things and I like the net in the opening part so I can have easy access to keys or money or any small item that you might want to have easy access to during a ride. A wallet is not going to fit if you have tools and bars and CO2 inflater. Maybe if wallet is small. mine is not.

This is extremely sturdy with excellent shape and very good zippers. It seems a bit smaller than the claimed 1.5 liter size, and the velcro, while super secure when perfectly aligned, is unnecessarily stiff and makes fitment a bit fussy when the seat is set fully forward. 10-15% more interior space, less dense materials, and some mounting refinements would earn my fifth star.