About The Product
- Large capacity bag with one main divided compartment with 2 fold out pannier side pockets and rear facing water bottle holder
- All the same great features as the MTX Trunk in a version compatible with any rack
- Constructed from 600D polyester and EVA foam
- Reflective piping stripe for enhanced safety
- Water resistant construction
Boost your bikepacking and commuting setup with the Topeak MTS Trunk Bag DXP Rack Bag. Engineered for maximum capacity, versatility, and durability, this extra-large bicycle trunk bag is designed to handle all your essentials whether you're embarking on a multi-day tour or daily rides.
Premium Materials & Waterproof Performance
Constructed from rugged 420 denier nylon fabric, the MTS Trunk Bag DXP offers exceptional rigidity and water-repellent properties, ensuring your gear remains dry and protected in various weather conditions. The insulated rigid molded EVA foam side panels provide added durability and thermal insulation, making it ideal for carrying food and perishables.
Innovative Design & Expandable Panniers
Featuring a divided main compartment with a multi-stage expanding top, this bag transforms your storage capacity, offering up to 22.6 liters of space. Panels on both sides easily expand into panniers, perfect for organizing gear separately while maintaining a sleek profile. The expandable panels make it simple to increase volume when needed, providing flexibility for longer rides or heavier loads.
Versatile Mounting Options & Compatibility
Designed to fit both Velcro straps and Topeak's MTX 2.0 QuickTrack racks (EX Beam, Explorer, Super Tourist), this rack bag offers seamless installation for a variety of bike setups. Its strap mounting system ensures secure attachment, while the quick-release compatibility allows for easy removal and transport.
Enhanced Safety & Convenience Features
Stay visible with the built-in 3M reflective strip and a dedicated safety light clip, enhancing nighttime visibility. The external water bottle holder ensures easy hydration access and quick retrieval during rides. The bag also includes a sturdy carrying handle, a comfortable shoulder strap for off-the-bike transport, and bungees for additional securing options.
Additional Features & Accessories
- Optional rain cover available for added weather protection
- Light loop for attaching rear bike lights
- Spacious dimensions: 36 x 25 x 21-29 cm, weighing just 900g for easy maneuverability
Perfect for Commuters, Tourers, & Bikepackers
Whether you're carrying tools, clothing, or snacks, the Topeak MTS Trunk Bag DXP is optimized for active cyclists demanding durability, expandability, and high capacity storage. Its sleek black finish complements any bike style, making it a reliable accessory for all cycling adventures.
Key Keywords: Bicycle Rack Bag, Bikepacking, Expandable Panniers, Water-Resistant Bicycle Bag, Large Capacity Bike Bag, MTB Rack Bag, Touring Bike Bag, Topeak MTS Trunk Bag DXP
Upgrade your cycling gear with the Topeak MTS Trunk Bag DXP - the ultimate in bike storage innovation and performance.
- Large Capacity Bicycle Rack Bag with expandable panniers for versatile hauling and organization
- Constructed from durable 420 denier nylon, this trunk bag offers water-repellent protection and lasting rigidity for reliable use in all weather conditions
- Features innovative multi-stage expansion top and side panniers with rigid EVA foam panels, providing up to 22.6 liters of storage to accommodate gear, groceries, or travel essentials
- Compatible with Velcro straps or MTX 2.0 QuickTrack racks for quick, secure mounting on Topeak MTX racks, ensuring a customizable and stable fit for your bicycle setup
- Enhanced safety and convenience with reflective strips, taillight clip, external water bottle holder, and included shoulder strap and carrying handle for versatile transport options
| Specification | Value |
|---|---|
| Manufacturer | TOPEAK |
| Manufacturer Part No. | TT9643B2 |
| Universal Product Code | 883466039407 |
| Invoice Description | BAG TOPEAK TRUNK MTS DXP w/PANNIER BK |
| Shipping Weight | 2.06 lbs. |
| Package Dimensions | 13 x 10 x 7 |
| HTS Number | 4202.92.3131 |
| Country of Origin | TAIWAN |
| Mount | Velcro Straps |
| Size (LxWxH) | 14.2x9.8x8.5" |
| Volume | 1010 c.i. |
| Color | Black |
| Bag Size Class | XXX-Large (700+ c.i.) |
- Supplier:
- JBI
Bike Junkies offers no‑hassle returns and exchanges within 60 days of delivery. We want every customer to feel confident when shopping with us, and our return process is designed to be simple, fair, and fast.
Return Eligibility
To qualify for a return or exchange, the following conditions must be met:
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The item must be in new, unused, and uninstalled condition.
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All original packaging, tags, hardware, and accessories must be included and intact.
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Items showing wear, installation marks, damage, or improper use cannot be accepted.
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An order number is required.
Once your return is received at our warehouse, a refund will be issued within 5 days after inspection.
Refunds
Refunds are issued to the original form of payment once the returned item has been received and approved. If we are unable to refund to the original payment method, the refund will be issued as store credit.
Depending on your bank or credit card provider, it may take an additional 2–3 business days for the refund to appear in your account.
Exchanges
To make an exchange, simply complete the return process and then place a new order for the item you want instead. This ensures the replacement item is reserved and ships quickly.
How to Start a Return
To request a Return Authorization (RA#), contact us at support@bikejunkies.com. Please include your order number and the item you wish to return.
Once approved:
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You will receive a Return Authorization email with instructions.
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Print the prepaid label provided by us. ($9.99 will be deducted from your refund)
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Ship the item back within 7 days of the RA being issued as RA #'s are only valid for 7 days.
Please do not tape anything to the original product packaging. Place the item inside a proper shipping box. Using the manufacturer’s box as the shipping container will result in damage and the return may be rejected.
Be sure to keep your return tracking number. Powersport Junkies is not responsible for lost return shipments. You will receive a confirmation email once your return has been processed and refunded.
Defective, Incorrect, or Damaged Items
If you receive a defective, damaged, or incorrectly shipped item, contact us immediately. We will cover the return shipping cost and ensure the issue is resolved quickly.
Non‑Returnable Items
Certain items cannot be returned, including:
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Electronics with opened packaging or broken manufacturer seals
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Any part that has been installed or shows installation attempts
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Tools or chemicals that have been opened or unsealed
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Open‑box items with destroyed or missing packaging
Our Info
-
Storefront name: Bike Junkies
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Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
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Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
This Shipping Policy explains how orders are processed, handled, and delivered by Bike Junkies, including delivery timelines, shipping coverage, and special conditions for military addresses. It is designed to give customers a clear understanding of what to expect when placing an order.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Order Processing and Handling
Orders are processed quickly to ensure fast delivery. Our standard handling time is 0–1 business days. Order cutoff time is 12 PM PST Monday-Friday and orders placed after that will be shipped shipped next business day.
Transit Times
Once shipped, orders typically arrive within 2–3 business days. Transit times may vary slightly depending on the destination, weather conditions, or carrier-related delays. Delivery estimates apply only after the order has left our facility.
Delivery Schedule
Standard delivery occurs Monday through Friday. Saturday delivery may be available.
Shipping Coverage
Bike Junkies offers free shipping to the lower 48 states of the United States. We do not ship to the following locations:
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Alaska
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Hawaii
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Puerto Rico
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Any international destination outside the United States
Orders placed with shipping addresses in restricted locations will be canceled and refunded.
Military Shipping (APO/FPO)
Bike Junkies ships to APO/FPO military addresses using USPS only.
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We cannot ship hazardous materials or oversized items to military addresses due to carrier and military mail restrictions.
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Transit times to APO/FPO locations may vary significantly depending on military mail processing.
Address Accuracy and Delivery Issues
Customers are responsible for ensuring that all shipping information provided at checkout is accurate and complete. Bike Junkies is not responsible for delays, lost packages, or delivery failures caused by incorrect or incomplete addresses. If a package is returned due to an address error, additional shipping charges may apply to resend the order.
Lost, Delayed, or Damaged Shipments
If a shipment is delayed, lost, or arrives damaged, customers should contact us promptly so we can assist with initiating a claim or resolving the issue with the carrier. While we support the process, final decisions regarding claims are made by the carrier.
Tracking Information
A tracking number is provided via email once the shipping label has been created. Tracking updates may take up to 24 hours to appear after the label is generated.
Shipping Restrictions
Certain items may be subject to shipping restrictions due to size, weight, or hazardous material regulations. If an order cannot be shipped due to such restrictions, we will notify the customer to arrange an alternative solution.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
For warranty issues please contact us at support@bikejunkies.com. Each Brand is different and we can provide instruction to complete warranty issues.
Bike Junkies is proud to be an authorized dealer of the brands we currently offer. When you purchase from us, you are guaranteed to receive genuine, brand-new products backed by the full manufacturer warranty. We work directly with the manufacturers to ensure you receive the highest quality service and support.
Our Info
-
Storefront name: Bike Junkies
-
Address: 940 Calle Amanecer, Suite N
San Clemente, CA 92673 -
Phone: 800-605-2152
-
Support email: support@bikejunkies.com
- Support hours + timezone:
Monday-Friday: 9:00 AM-5:00 PM PST
Saturday: 9:00 AM-3:00 PM PST
Sunday: Closed
