Review on 🚲 Rhinowalk Waterproof Bicycle Saddle Bag - Bike Bag Under seat Rainproof Mountain Road, Professional Cycling Accessories by John Rivera

Seems like a solid little bag. I am planning to use it as part of a 2 day trip on a full suspension MTB bike with a dropper (+ large frame bag and large handlebar dry bag). --- Pocket size --- It's really just a 1.5 liter pocket. . Definitely not specified 2-3 liters. An extension is not possible due to the existing buckle system. Testing what I could fit in it, I was able to fit two 27.5" cameras, a small patch kit, a multi-tool and tire levers, leaving little space. I bet you can also install some CO2 cartridges and/or a small pump. I think a roadie would fit everything they need (two 27.5 MTB tubes take up a lot of space). (This bag is still larger than most other regular saddlebags!) --- Dropper Mount --- I was able to get this job done without getting in the way of my dropper post by connecting the seatpost strap to my seat rails right in front the seat clamp. The seatpost strap is fully attached with Velcro, making it easy to adjust. Then I connected the main strap as usual. I also had to slide the saddle as far back in the clamp as possible, but I still like that position when riding. The end result is that the bag sits higher and farther from the seatpost. NOTE: IF POSSIBLE, wrap the main straps around the seat stays several times. I was able to tighten two turns but still had enough length to zip everything up. By wrapping it multiple times, you greatly reduce the chance of the bag swaying while riding. --- Material/Build Quality --- The material is a heavyweight laminated fabric that reminds me of old school dry bags (heavy PVC style dry bags, not modern ultra light dry bags). The fabric has no stretch at all so the current size is all you need. Given the cost, I would expect some of the seams and welds to fail at some point, but the material itself is strong. Some parts of the fabric appear to be poorly cut (i.e. not necessarily ultra-straight edges everywhere), but this doesn't affect the bag's function. Note that the bag has a plastic component to hold its shape - I didn't see that. mentioned somewhere before buying. It's a plastic "U" of sorts - when viewed from the side of the bag, the "U" sits on the side, reinforcing both the top and bottom walls. This keeps the shape of the bag when you tighten the straps. The nylon straps feel pretty slick so I wouldn't be surprised if they loosen up a bit over time. (Although I haven't had the bag long enough to try it out) --- Design Complaints ---- Both roll-top buckles are male instead of one male/one female. This means that you actually MUST fold the bag completely to access the women's buckles on the sides of the bag. So the bag doesn't stretch at all (not that you get much more room anyway, but still). I want the bag to work like a regular dry bag. The nylon straps could be a bit thicker and I'm afraid that they will loosen over time because they are too smooth. The stitching connecting the shoulder straps to the bag seems good, but only good. I think they could have used a bit more stitches to really connect the bomber. I'm not entirely sure I trust the tail light strap. Most likely, everything is fine, but if the welds are weak, then the belt will be fried. The fabric for the tail light strap appears to be much thinner than the rest of the bag. --- Verdict --- Overall, this bag fits my use case: waterproof, drop-resistant, and can hold a repair kit. And I don't think you can find a better bag for the price.