The Rhinowalk 33–45L tail bag offers expandable rear storage for motorcycle trips. This review covers the black version linked under Amazon ASIN B0CVVJYWYL, corresponding to the MTR4045 size in Rhinowalk’s expandable range. The 45L headline describes expanded capacity, not its standard volume.
Buyer compatibility check: Buyers must independently verify compatibility with their exact vehicle make, model, year and configuration, including racks, accessories and modifications. Confirm support beneath the loaded bag, suitable mounting points, weight limits and clearance from the exhaust, wheel, chain and suspension.
Affiliate disclosure: As an Amazon Associate, 1WAYCAMPING earns from qualifying purchases. This article contains affiliate links.
Rhinowalk 33–45L tail bag: size and specifications
Rhinowalk lists the following approximate figures for MTR4045BK. Confirm the model supplied by the seller before relying on these measurements.
| Specification | Manufacturer information |
|---|---|
| Capacity | 33L standard; 45L expanded |
| Closed dimensions | 40 × 30 × 27 cm |
| Expanded dimensions | 55 × 31 × 27 cm |
| Weight | Approximately 2,530 g |
| Construction and equipment | PVC fabric, reinforced support, shoulder strap, rain cover and mounting/extension straps |
Amazon lists dimensions close to the expanded configuration. Measure the available support area for both configurations rather than treating the smaller footprint as sufficient for every load.
What expansion changes on a trip
The side expansion sections add packing flexibility. You might use the smaller configuration for a compact clothing load and open the extensions when your equipment needs more room. These are planning examples, not a promise that a particular camping setup will fit.
The larger shape also needs a fresh mounting check. Recheck restraint tension, support and clearances after expanding or repacking. More available volume does not increase the permitted weight of the motorcycle, rear rack or mounting hardware.
Before buying, lay out your equipment and measure awkward items such as tent poles or a cooking pot. Group small items into removable organizers so overnight stops do not require unpacking everything.
Clarify the rain-protection package
Amazon’s bullet points describe a waterproof inner bag. The manufacturer’s range page instead emphasizes water-resistant fabric and an included rain cover, and says the zippered body is not fully waterproof. Confirm whether the current Amazon package contains an inner liner, rain cover or both.
We have not independently tested leakage or verified an IP rating or immersion depth. Use the supplied protection and closure method as instructed. Do not assume every pocket has the same protection or that the bag is suitable for submersion.
Mounting and carrying
The manufacturer describes four-point strap routing, reinforced shape support and removable shoulder carrying. A strap system still requires suitable anchor points and adequate support on your particular motorcycle.
Keep loose strap ends away from hot and moving parts. Ensure the load cannot obscure lights or the license plate, and leave passenger space clear when carrying a passenger. Check the setup after an initial short ride and at stops.
Our motorcycle luggage guide explains load planning and installation checks. Follow the vehicle and luggage manufacturers’ instructions for the actual mounting arrangement.
Who should consider the Rhinowalk 33–45L tail bag?
Consider it if your packing list fits the smaller configuration most of the time but you value occasional extra space. The main tradeoffs are its wider expanded profile and the need to confirm exactly how the supplied package protects against rain.
For a larger version of this range, read our Rhinowalk 40–60L review. The Mechanic 50–70L bag is another model with a different layout. We have not tested these products side by side or established a durability winner.
Check the Rhinowalk 33–45L tail bag on Amazon
Research-based review, not a hands-on test. Sources: the linked Amazon listing and Rhinowalk’s official expandable tail-bag range. Confirm the selected size, package contents and installation instructions before purchase.
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