Rhinowalk Motorcycle Tail Bag Expandable 33-45L - Stable Travel

In this review the Rhinowalk Motorcycle Tail Bag is assessed as a practical, no-frills luggage solution for riders who need flexible capacity and secure mounting. The single biggest reason to buy is its expandable design combined with a reinforced frame, which gives riders a stable 33L pack that grows to 45L when needed without collapsing or shifting on the rack. The reviewer found it especially useful for short tours and daily commuting where a balance of durability and packability matters.

Key Features

• Reinforced frame: A steel wire and PE board structure keeps the bag rigid under load so items do not sag or deform during a ride.
• Tear-resistant fabric: The main body uses strong mesh cloth that resists ripping and helps the bag hold up to everyday abrasion.
• Expandable capacity: The double-sided retractable zipper expands the bag from about 33L to about 45L, adding useful space for longer trips or bulky gear.
• Secure mounting: Four provided straps and additional webbing with a buttoned buckle help keep the bag firmly attached to racks and sissy bars over bumpy roads.
• Rain protection: An included rain cover with a drawcord shields the bag and contents from heavy weather and resists being blown off in wind.
• Carry versatility: A detachable shoulder strap and external elastic top band make it easy to carry off the bike or secure extra items.

Who It's For

This tail bag suits medium and large ADV touring riders, short- and medium-distance street motorcycle riders, and urban retro cruiser owners who want a single bag that can expand for occasional longer trips. It is especially good for riders who need to carry helmets or enough clothing for a couple of days without committing to hard cases.

Riders who demand locking, hard-shell security or those who need ultra-lightweight race-focused luggage should look elsewhere; likewise, if you require frame-mounting panniers or very large expedition capacity, this bag will be too small even when expanded.

Pros & Cons

Pros

• Well constructed with a reinforced frame that maintains shape under load.
• Flexible 33L to 45L capacity covers everyday commuting and short touring needs.
• Multiple straps, external tie-downs and a helmet rain cover add practical versatility.

Cons

• Not a locked hard case, so it does not offer theft protection or rigid security for high-value items.
• The bag can be bulky when expanded, which may limit rear visibility or passenger space on smaller bikes.

Specifications

Our Verdict

The Rhinowalk Motorcycle Tail Bag is a practical, well-built expandable trunk bag that offers good value for riders who need a stable 33L pack that can grow to 45L. Its reinforced frame, anti-slip base and assortment of straps make it a reliable choice for touring and everyday use, while the rain cover and carry options add versatility. Choose this bag if you want roomy, weather-resistant motorcycle luggage without the weight and complexity of hard cases.

Frequently Asked Questions

Will this fit two helmets?
Yes, customers report that when fully expanded the bag can accommodate two full-size helmets depending on helmet shape.

How is it attached to the bike?
The bag uses four fixing straps plus extended tie-down straps and a webbing buckle system to secure it to racks and sissy bars.

Is the bag waterproof?
The fabric is water resistant and a rain cover is included to protect the contents in heavy rain.