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BTB10
Expandable Tank Bag 4.
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Expandable Tank Bag 4.5 - 6.5L
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Shipping information
DHL Express shipping 48/72 hours in Italy
DHL Express shipping 4/5 days in Europe
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Customer service
Available Monday through Friday.
- 8:30 a.m. to 1:30 p.m.
- 2:30 p.m. to 5:30 p.m.
- Saturday and Sunday - Closed
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Contact
Free shipping and returns
Specifications and details for Expandable Tank Bag 4.5 - 6.5L
Product Details
Expandable Tank Bag 4.5–6.5 L | Touch Pocket, Universal Mounting, Waterproof with Cover
Compact when you need it, spacious when you're on the go
Tank bag with volume expandable from 4.5 to 6.5 liters: perfect for keeping your wallet, documents, action cam, and charger close at hand. The low profile does not interfere with riding; when needed, it expands with a simple expansion zipper.
N.B. YOU CAN FIND THE TANK RINGS HERE
- Variable volume 4.5 → 6.5 L with expansion zipper
- Transparent upper pocket touch for smartphones/maps
- Water-repellent fabric + rain cover included
- Universal mounting with straps (metal or plastic tanks)
- Non-slip base and reflective insert for visibility
Details that make the difference
Designed for everyday use and travel: internal organization with compartments and cable pass-through for charging on the go. Reinforced lid retains its shape even when fully loaded.
- ✅ Internal organizer (nets/pockets) for small items
- ✅ Cable pass-through for power bank or headphones
- ✅ Top handle and removable shoulder strap (if applicable)
- ✅ Sturdy zippers with glove-friendly pulls
The 5 Reasons to Choose the 4.5–6.5 L Expandable Tank Bag
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Why does it exist?
To keep your essentials close at hand and provide extra space only when you need it. -
Why choose it?
Quick expansion, touch pocket, rain cover, universal mounting. -
Why is it reliable?
Technical materials, non-slip base, and stable strap fastening even on dirt roads. -
Why is the price justified?
One bag that replaces multiple solutions: compact for everyday use, spacious for travel. -
Why does it improve the rider's life?
Fewer stops and perfect order among cables, documents, glasses, keys.
Installation and fastening
Attach the straps to the frame/head tube and to the anchor points on the tank. Adjust the tension to prevent movement when steering. In case of heavy rain, put on the rain cover.
Ideal for
- Touring and daily commuting
- ADV trips with accessories within reach
- Use in variable weather conditions thanks to the rain cover
| Feature | Detail |
|---|---|
| Type | Expandable tank bag |
| Volume | 4.5 L (closed) → 6.5 L (expanded) |
| Expansion | Hinge for rapid capacity increase |
| Materials | Water-repellent technical fabric with non-slip base |
| Waterproofing | Rain resistance + rain cover included for total protection† |
| Mounting | Universal straps on metal or plastic tanks (without magnets) |
| Top pocket | Transparent touch for smartphones/maps |
| Organization | Internal compartments, cable pass-through, glove-friendly zippers |
| Equipment | Bag, rain cover, fastening straps, (optional) shoulder strap |
| Color | Black with reflective inserts |
| Service | Free shipping on orders over €100 (Italy) / €250 (Europe) • 15-day returns |
†In heavy rain, always use the cover and check that the zips are closed properly.
FAQ
| ❓ Question | 💬 Answer |
|---|---|
| Is it compatible with my plastic tank? | Yes, it is secured with straps, so it works on metal or plastic tanks (no magnets required). |
| Can I use my phone screen through the pocket? | Yes, the top pocket is touch. Avoid placing hard objects between the display and the film. |
| Is it waterproof? | The fabric is water-repellent; for heavy rain, use the included rain cover for maximum protection. |
| Can I assemble and disassemble it quickly? | Yes, the quick-release straps allow for fastening and adjustment in seconds. |













