ROCKBROS 15L Bike Rear Rack Bag Pannier Trunk Bag with Rain Cover

Great bag! Straps down tight on back rack and has lots of storage

This bag is well made and sturdy. There is a flap to cover the zipper to help keep contents dry. A rain cover and carry strap are included. It holds a bottle with maximum diameter of 3 inches. I have a 24 ounce Takeya bottle pictured in the holder. I had to scooch the bag forward on my rack, so it hangs over the front about half an inch or so. Otherwise, the bottle holder rested on the raised "tail" and pushed the bottle out. The velcro straps for anchoring are generously sized. My rack is shaped more like a trapezoid than a rectangle, and there was no issue with holding either end securely. I'm underwhelmed with the panniers. They are small, but I was tired of asking Alexa to translate centimeters to inches for me while shopping for bags, so I just hoped for the best. They'll do in a pinch for small extra items, but don't plan on using them to carry anything over 8 inches tall or wide. The zipper opens starting halfway down the pannier. I would have preferred it to zip across the top only, giving the option to carry an item sticking out the top slightly.

The bag appears to be holding up and is of decent quality. The only complaint I have with it is the straps used to hold the back onto the bike rack - they are using velcro. While traveling to a place to ride I have to remove the bag from the bike because the amount of wind pushing against the bag on the bike carrier is tremendous, so there is a lot of taking the bag on and off the bike rack. Over time the velcro will wear out. Also, the velcro is too long for the bike rack so I have to crisscross the straps under the frame to be secure. I would prefer a buckle system for this instead. Overall I like the bag, just the strapping system could be improved.

It does fit on Aventon Sinch 2.

This is the third bag I've purchased for my bicycles, they are very convenient to have and store items for rides.

My last one lasted 5 years before the zipper broke. I like them and bought another.

Nice bag good size

Great add to my bike. Straps make sure it attaches securely and is relatively easy to tighten and adjust. Perfect amount of storage for my afternoon ride with my daughter on our snack run.

Great rack bag - wish it had reflective on the rear. But really good quality.

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