Topeak MTS Trunk Bag EX - Strap Type - Black
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Product Information
Full details
The Topeak MTS Trunk Bag EX is designed for daily commuters and long-distance cyclists who need a reliable, structured storage solution for their bike rack. Its key benefit is the semi-rigid construction that keeps gear organized and protected, though users should note that the hook-and-loop strap system requires manual fastening, making it slightly slower to attach than proprietary quick-release clip-on systems.
All features
| Material | Polyester |
|---|---|
| Model Part Number | tt9645b |
| Brand | TOPEAK |
Extended Product Information
FAQs
Is the bag fully waterproof?
It is weather-resistant, meaning it can handle light rain, but it is not submersible and should be covered in extreme downpours.
Will this fit on any rack?
It is designed to fit most standard bicycle rear racks using the hook-and-loop strap mounting system.
How much weight can it carry?
While the bag is durable, ensure you do not exceed the weight limit recommended by your specific bike rack manufacturer.
Can I attach a light to the back?
Yes, there is a dedicated safety light clip on the rear of the bag.
What are the exact dimensions?
The bag measures 36 x 21 x 19 cm.
Troubleshooting
Bag sways or moves while riding
Ensure all hook-and-loop straps are pulled tight and wrapped securely around the rack frame.
Strap fasteners losing grip
Remove lint or debris from the hook-and-loop material to restore full adhesive strength.
Pros and Cons
Pros
- Durable, weather-resistant 600 denier fabric
- Maintains structural integrity through molded side panels
- Versatile carrying options with shoulder strap and handle
- Includes essential safety features like reflective strips and light clip
- Ample 8-litre capacity for daily essentials
Cons
- Hook-and-loop straps are less convenient than quick-release mounting systems
- Requires manual adjustment to ensure a wobble-free fit
- Small capacity may not suit multi-day bikepacking gear
Setup, Compatibility & Care
The bag uses a universal hook-and-loop strap mounting system, making it compatible with most standard bicycle rear racks.
- Position the bag centrally on your rack plate.
- Pass the hook-and-loop straps through the rack deck slats or around the frame tubes.
- Pull tight and secure the hook-and-loop fasteners to eliminate movement.
To clean, simply wipe down the polyester exterior with a damp cloth and mild soap. Avoid submersion in water. If the bag becomes saturated during heavy rain, allow it to air dry fully in a ventilated area to prevent odors or fabric degradation.