Commute, tour, or travel - one bag for all your cycling adventures, rain or shine.
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Color: Black
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Capacity: 20 liters (expandable with roll-top design)
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Material: Polyester with PU rubber surface laminate
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Water Resistance: Water-repellent fabric + heat-sealed zippers + included rain cover
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Mounting: Rear rack (hook-based system with soft rubber coating)
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Compatibility: Fits laptops up to 15" in built-in compartment
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Modes of Use: Pannier bag, backpack, shoulder bag
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Weight: [Add if available]
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Warranty: [Optional - not provided, but could be added if needed]
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Large 20L Capacity: Spacious roll-top design fits essentials like helmets, bottles, clothes, and more.
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Triple Functionality: Converts into a pannier, backpack, or shoulder bag with ease.
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Advanced Waterproofing: PU-laminated polyester, sealed zippers, and included rain cover offer full rain protection.
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Secure & Scratch-Free Mounting: Metal-core hooks with soft rubber coating protect your bike frame.
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Organized Storage: Built-in mesh compartments for efficient item separation - fits up to a 15” laptop.
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Sleek & Stylish: Black minimalist design suits commuters and touring cyclists alike.
Take your cycling gear to the next level with the 20L Waterproof Bike Pannier Bag - the perfect companion for both urban commutes and extended bikepacking trips. Its expandable roll-top design gives you a generous 20L storage space, enough for a helmet, water bottles, clothes, tools, and even a 15” laptop, neatly tucked in the built-in mesh compartment.
Crafted with waterproof polyester laminated in PU rubber and equipped with heat-sealed waterproof zippers, this pannier ensures your gear stays dry in unpredictable weather. The bag seamlessly transforms into a stylish backpack or shoulder bag, adapting to your journey on and off the bike. With rugged yet protective hooks and a sleek black finish, the pannier bag balances performance, durability, and modern design - making it a must-have for serious riders.
At Primebay, we’re committed to making your shopping experience seamless and worry-free. Below you’ll find details on how we process and deliver orders within Australia.
Order Processing
Orders are processed within 1–2 business days after payment confirmation.
Once shipped, you’ll receive a confirmation email with tracking details.
Shipping Times
Our products are shipped directly from our trusted suppliers. Delivery times vary depending on the item and supplier location:
Standard Shipping (Australia-wide): 5–10 business days
Remote/Rural Areas: May require additional 3–5 business days
(Note: Delivery times are estimates and may be affected by , weather conditions, or peak holiday periods.)
Shipping Fees
Free standard shipping on all orders.
Tracking Your Order
All orders come with tracking.
Tracking details may take 2–4 business days to update after dispatch.
Incorrect Address
Please ensure your delivery details are correct when placing your order.
Primebay is not responsible for delays or lost parcels due to incorrect addresses.
Delays & Lost Packages
If your order has not arrived within 30 business days, please contact us at for assistance.
In the case of a lost package, we’ll send a replacement or issue a full refund.
Warranty & Returns
1. Change of Mind Returns
We offer a 30-day Change of Mind return policy, giving you confidence when shopping with us.
If you change your mind about your purchase, you can return your item within 30 days of receiving it for a full refund.
To be eligible for a Change of Mind return:
The item must be unused, unworn, and in its original packaging (including all accessories, tags, and manuals).
You must provide a receipt or proof of purchase.
No restocking fees apply.
Return postage for Change of Mind returns may be at the buyer’s expense, unless otherwise stated.
Please contact us before sending your return to obtain instructions and ensure smooth processing.
2. Warranty & Faulty Items
All our products are covered by a 12-month warranty against manufacturing defects.
If your item develops a fault within the warranty period, please contact us so we can assist with a repair, replacement, or refund, in line with the Australian Consumer Law (ACCC Consumer Guarantees).
To process a warranty claim, you may be asked to provide:
A detailed description of the issue, and
Clear photos or videos showing the fault.
Please note that warranty claims do not apply to damage caused by misuse, neglect, or normal wear and tear.
3. Need Help?
If you have any questions about returns or warranty claims, please contact our customer service team — we’re happy to help.








