Choosing motorcycle luggage usually comes down to a trade-off: too much bag and it gets in the way; too little and you leave gear behind. The Rhinowalk Motorcycle Tail Bag tries to solve that by giving you two capacities in one piece of luggage. At 33L, it is compact enough for everyday riding; expand it to 45L and you have room for a weekend's gear. The bag is listed in black and described as used, like new condition, for USD 54.99.
Quick verdict
For a rider who wants a single tail bag for daily commutes and overnight trips, this Rhinowalk bag has the headline feature that matters: expandable storage. The 33-45L range is supported by waterproof all-weather construction, sissy bar straps, and a helmet rain cover. The used condition is the main thing to weigh before you commit.
Who it suits
This tail bag suits riders who have or plan to use a sissy bar setup, since sissy bar straps are the mounting method listed in the title. It also suits riders who want one bag that can shrink down for short rides and grow for longer trips. The waterproof all-weather description points toward riding in changing conditions without needing to swap bags.
What stands out from the listed details
The expandable volume is the centerpiece. You get a compact 33L shape for lighter loads and a 45L expanded mode for more gear, all in the same black travel bag. The included helmet rain cover adds a travel-friendly element, and the sissy bar straps make it clear how the bag is meant to attach. Together, these features give the Rhinowalk bag a practical, road-focused character.
Meaningful trade-offs
The listed condition is used, described as like new. Some shoppers will see that as a way to get a useful tail bag at a reasonable price, while others will prefer gear that has not been mounted or used by a previous rider. The title highlights sissy bar straps as the mounting method, so riders should plan for that style of attachment.
Bottom line
If the used condition does not bother you, the Rhinowalk Expandable Motorcycle Tail Bag is a flexible pick for riders who want 33-45L of waterproof all-weather storage, a sissy bar strap setup, and a helmet rain cover at USD 54.99.
Rhinowalk Motorcycle Tail Bag, Expandable Motorcycle Travel Luggage Bags 33-45L

The Rhinowalk tail bag delivers the core idea of this review: two usable capacities in one black, all-weather bag. The title lists the expandable range as 33-45L, and the description adds that the unit is used in like new condition. For a rider who wants one luggage piece to handle both short and longer trips, the expandable design is the concrete reason to choose it. The limitation to weigh is the used condition-this is not a new-in-box item, so buyers who are particular about fresh gear should keep that in mind.