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TopeakMTX DXP Trunk Bag

Q: Is this bag large enough to hold a 13" laptop in the main compartment? And could it be fitted to a front rack on a hybrid bike (Ridgeback K4)?

1. I am sure it would fit your laptop. The measurements for the side bag are: W 31cm; D 6cm minimum (and has an expansion gusset); H 32cm at the front, increasing to 42cm at the rear. 2. I don't think you would be able to fit it onto the front of a bike, as it has a bespoke bike rack that you also need to buy separately. This has a channel for the base of the Trunk Bag to slide in to. However, when I bought mine, there was also a Topeak Trunk Bag of the same design that is held on with velcro straps, where you can use any rack. I avoided this when purchasing as the straps did not get good reviews for their longevity. Note - it is worth checking the Topeak website to ensure you're buying the Trunk Bag with the correct volume. There are two different 'volumes' and mine is the larger one. The dimensions would be different for the smaller.

Q: Does this topeak pannier have a velcro mounting?

No, the Topeak with the yellow clip at the front is the version with a rigid plastic base that slides into a matching pannier rack (I have this type, and it is good, but it means buying the bespoke rack as well as the bag itself). When I bought mine, the version of the Topeak bag with velcro straps got poor reviews, in that the velcro tape attachments didn't last long

Q: Hi, We have a toshiba laptop, 15 inch screen (dimensions are 31cm x 23cm x 2-3cm deep). Will this fit comfortably into the Topeak MTX DXP Trunk Bag?

Yes. The side bags are not perfect rectangles, but they aren't far off. Smallest sides are 36cm tall, 28cm wide and 6cm deep. For items of any significant weight, I recommend a rack that has fixed sides - to prevent the bag sides swinging into the rear wheel (using the elastics fitted may not provide sufficient stability).

Q: Hi. Can you fit an A4 hardback notebook/diary in it laying flat? Are there straps to secure the product to a standard rear cycle rack?

Unfortunately this will not be big enough for an A4 Book laid flat. I would suggest looking at the Altura Urban Dryline Briefcase or something similar, although no specific to horizontal rack use they may be adaptable.

Product ID: 49566889

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Details

Colour
Black
Size
One Size
Brand
Topeak
Material
Polyester
Style
MTX DXP

💧Weather-resistant build

📦22.6L max capacity

⚙️Expandable pannier design

Frequently Bought Together

Topeak MTX TrunkBag - Rear Bicycle Bag - Spacious Storage and Easy Mounting

Topeak MTX2.0 Explorer Rack

Topeak TrolleyTote MTX-Compatible Collapsible Basket

Description

🚴‍♂️ Ride Ready, Weather Steady: The Ultimate Expandable Trunk Bag

COMFORT ON THE GO - Includes shoulder strap and carrying handle for versatile transport—switch from bike to hand without missing a beat.
SAFETY MEETS CONVENIENCE - 3M reflective strip and safety light clip enhance visibility for night rides—stay seen, stay safe.
MAXIMIZE YOUR RIDE STORAGE - Expandable side panniers and top section boost capacity to 22.6L—carry everything, leave nothing behind.
BUILT TO BRAVE THE ELEMENTS - Durable, weather-resistant materials keep your gear safe rain or shine—no compromises on your commute or adventure.
SEAMLESS MTX QUICK TRACK COMPATIBILITY - Effortlessly attaches to all MTX QuickTrack racks with included side frames—upgrade your bike’s carrying power instantly.

The Topeak MTX DXP Trunk Bag is a premium, 22.6-liter expandable cycling bag designed for maximum storage and weather resistance. Featuring side panniers, a water bottle holder, and compatibility with MTX QuickTrack racks, it combines rugged durability with practical convenience for serious cyclists seeking versatile, secure cargo solutions.

Specifications

Color	Black
Size	One Size
Style	MTX DXP
Handle type	shoulder strap, carrying handle
Height	8 inches
Item display length	14 inches
Weight	1.2 kg
Item display width	9.5 inches
Shape	Expandable Top
Material type	Polyester
Number of items	1
Outer material	Aluminum
Seasons	Spring/Summer
Usage	cycling
Sport	Cycling
Volume capacity	22.6 litres
Included components	Bag
Batteries included?	No
Brand	Topeak
Department	Unisex
Manufacturer	Topeak
Item model number	63009805
Product Dimensions	35.81 x 24.89 x 21.59 cm; 1.15 kg
ASIN	B000ZKES0S

Have a Question? See What Others Asked

Is this bag large enough to hold a 13" laptop in the main compartment? And could it be fitted to a front rack on a hybrid bike (Ridgeback K4)?

Does this topeak pannier have a velcro mounting?

Hi, We have a toshiba laptop, 15 inch screen (dimensions are 31cm x 23cm x 2-3cm deep). Will this fit comfortably into the Topeak MTX DXP Trunk Bag?

Hi. Can you fit an A4 hardback notebook/diary in it laying flat? Are there straps to secure the product to a standard rear cycle rack?

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