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Expandable Waterproof Bike Trunk Bag 20–35L for MTB & Road Cycling

Expandable Waterproof Bike Trunk Bag 20–35L for MTB & Road Cycling

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Product Description

Ride Further with a Reliable, Spacious Bike Trunk Bag

Discover a bike bag designed for cyclists who want more room, more protection, and more convenience on every ride. This expandable waterproof trunk bag offers a generous 25–45L capacity, giving you the flexibility to carry everyday essentials, long-distance touring gear, or your commuting necessities. Made from durable polyester, nylon, microfiber, and EVA, it stands up to rain, dust, and the rough demands of outdoor cycling.

Built for Performance and Everyday Use

This multifunctional trunk bag comes with dual-side storage and a roomy central compartment that keeps your belongings secure and organized. Its rainproof construction shields your items during wet rides, while the reinforced structure helps it maintain shape even when fully loaded. Whether you’re hitting mountain trails, commuting to work, or packing for a weekend adventure, this bag adapts to every situation.

Key Features

  • Expandable 20–35L capacity for short trips or long-distance tours
  • Waterproof materials to protect your gear in unpredictable weather
  • Dual-side pannier design for balanced weight distribution
  • Durable polyester, nylon, microfiber, and EVA construction
  • Secure attachment system for a steady, wobble-free ride
  • Spacious interior with easy-access compartments

Benefits

  • Stay organized: Separate storage areas make packing simple and efficient.
  • Ride in any weather: Waterproof materials keep your essentials dry.
  • Carry more with ease: The expandable design fits everything from tools to clothing.
  • Enjoy stable handling: Balanced pannier structure improves bike stability.
  • Perfect for all cycling styles: Great for commuting, road biking, touring, and mountain trails.

Why This Bag Stands Out

What makes this trunk bag special is its ability to combine toughness, practicality, and adjustability into one sleek package. Its expandable volume lets you pack light or heavy without switching bags, and the waterproof build ensures reliability no matter the weather. It’s a dependable companion for daily riders and long-distance explorers alike.

Get Ready for Your Next Adventure

Upgrade your ride with a trunk bag that keeps up with your lifestyle. Store more, travel farther, and enjoy the freedom of having everything you need right on your bike. Add it to your setup today and make every ride smoother, safer, and more enjoyable.

Shipping & Payment

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

Refunds & Returns

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of discountdepot.shop (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://discountdepot.shop

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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