
Motorcycle Rear Seat Helmet Backpack
Why You’ll Love This
- Color options include Black, giving you straightforward choices to compare with pieces already in your wardrobe.
- Verified listed measurements make it easier to compare the bag with the items you plan to carry.
- Confirmed design details include backpack straps, large-capacity wording, so you can compare the visible construction before ordering.
- The backpack format keeps styling flexible for everyday outfits and makes the available options easy to compare.
Details, Styling & Care
Design and Function
This motorcycle tail bag is engineered for riders who need flexible storage. The expandable design allows you to transition between a compact 25L profile and a larger 38L capacity, making it practical for daily commutes or longer trips. The black finish provides a sleek, low-profile look that integrates well with most motorcycle aesthetics.
Carry and Setup
Equipped with dedicated backpack straps, this bag transitions seamlessly from a rear seat mount to a wearable backpack. The included buckle straps and hardware help ensure a secure attachment to your bike, while the overall construction focuses on providing a stable, large-capacity storage solution for your essential knight equipment.
Specifications & Dimensions
| Specification | Detail |
|---|---|
| Dimensions | 29x20.1x43.2cm |
| Source Image Measurements | 7.9IN × 11.4IN × 17IN × 11.8IN |
| Large Capacity | The bag is expandable, up to 38L and can accommodate a helmet |
| Bag Type | Backpack |
| Carry Style | Backpack Straps |



The bag measures approximately 7.9IN × 11.4IN × 17IN in its standard configuration, expanding to 11.8IN in height to reach its 38L capacity.
FAQ
Can this bag really hold a helmet?
Yes, the bag is designed to be expandable up to 38L, which provides the necessary volume to accommodate a standard motorcycle helmet.
How do I attach this to my motorcycle?
The package includes buckle straps specifically designed to secure the bag to your rear seat.
How can I check the bag size?
Use the measurements in Specifications & Dimensions and compare them with the items you carry most often. If a measurement is not shown, do not rely on photos alone to estimate it.
What outfits work with this bag?
Pair this backpack with commuting, travel and casual daily outfits.
How should I store and care for it?
Empty the bag before storage, keep it dry and avoid overloading structured edges, straps or hardware.
What should I look at before choosing?
Before ordering, compare the listed measurements with your everyday items, then confirm the color and carry setup.
When should I expect delivery?
The current estimated delivery window is 10–15 business days. This is an estimate rather than a guarantee, so customs, carrier conditions, peak seasons or weather can affect the final date.
How is the bag carried?
The carry setup includes backpack straps, showing how the bag is carried, opened and organized.
More Images



Please refer to the product gallery for detailed views of the hardware, strap attachments, and the expandable zipper mechanism.
Shipping Information
This item ships from overseas and is available for delivery to all active Sarah Express shipping destinations, including the United States and our supported international markets.
Estimated Delivery Timeframes
Orders usually require 2–3 business days for processing before shipment. Transit normally takes 8–12 business days, for a total estimated delivery window of 10–15 business days.
Delivery estimates are not guaranteed and may vary due to customs processing, carrier delays, peak seasons, or weather events.
View 34 supported shipping countries
- US - United States
- AT - Austria
- BE - Belgium
- HR - Croatia
- CY - Cyprus
- CZ - Czech Republic
- DK - Denmark
- EE - Estonia
- FI - Finland
- FR - France
- DE - Germany
- GR - Greece
- HU - Hungary
- IE - Ireland
- IT - Italy
- LV - Latvia
- LT - Lithuania
- LU - Luxembourg
- MT - Malta
- NL - Netherlands
- PL - Poland
- PT - Portugal
- SK - Slovakia
- SI - Slovenia
- ES - Spain
- SE - Sweden
- GB - United Kingdom
- CA - Canada
- MX - Mexico
- AU - Australia
- JP - Japan
- NZ - New Zealand
- SG - Singapore
- AE - United Arab Emirates
Customer Reviews
See recent customer feedback and share your experience with Sarah Express.
A little patience was needed, but the item was packed well.
Mine arrived in 15 days. The package was secure and the color looked close to the photos.
It took 16 days for me. A little longer than local delivery, but the item looked good when opened.







