ROCKBROS ROCK BROS Bike Trunk Bag Bicycle Rack Rear Carrier Bag Commuter Bike Luggage Bag Pannier with Rain Cover

This is an awesome bag, really like the segregated storage compartment, that you can remove for a one large compartment. Fits my bike very well, good price, made very well.

Great for carrying your bike locks, water bottle or a few items from the shops

Storage capacity is good for local rides! Bag appears to be durable. It is attached to a ROCKBROS bike rack by velcro from the bag. The bag doesn’t move around at all. I purchased some ROCKBROS clipable back lights to attach to the back of the bag also.

I didn’t realize when I ordered this that both side pockets expand. This holds quite a bit more than expected, and it seems well made. The inside managed to keep a few ice cubes mostly intact for several hours in a test (it was a 90° day here). Others have said it’s insulated, but I lined the inside fabric with aluminum foil before loading with ice just because it’s fleecey and something about that just disturbs my sense of balance to imagine it soaking through.Rear water bottle holder will not fit a Nalgene, but that’s not a dealbreaker to me. Good bag overall, especially for the price.

I purchased this for my Schwinn hybrid bike and it works perfectly. It fits the rear rack, straps down securely and looks good. I have only used the main storage and not the side pouches (I did put the rain cover in the side.) Everything I wanted to pack of a day trip fit with a little room to spare. The bottle holder on the back is good for a spare drink or something to drink with your lunch while carrying a water bottle on the frame where you can reach it. I'm very happy with this purchase.