This review is part of our group test of the best panniers for rear racks, in which five everyday all-rounders go head-to-head. Click here for our buying guide, and an overview of each model.
Pannier bag or backpack? The deuter Xberg 25 refuses to pick a side. On the bike, it hangs from the rack using two hooks. Once the ride is over, it converts into a conventional backpack. In doing so, the long-established German backpack market leader addresses a problem that plagues many hybrid bags: the mounting hardware shouldn’t stick out awkwardly, or press into your shoulder blades once you’re off the bike. On the Xberg 25, a back panel secured with press studs handles the transformation (more on that in the review below). With its versatile organisation, deuter’s quick-change artist is designed to work not only between bike and office, but also for shopping trips and days out. Our deuter cycle backpack review reveals whether the clever concept works in practice.
The deuter Xberg 25 Cycle Backpack in Review
How Well Does the Cycle Backpack Perform in Everyday Use?
Fitting and Removal
The idea of a folding back cover isn’t new. However, deuter have implemented it particularly cleverly on the Xberg 25: the back panel folds to cover either the pannier hooks or the shoulder straps, clicking into place with press studs. To switch from backpack to pannier mode, undo two press studs and fold the panel upwards, and the two hooks of the BagFix system are exposed. Hook them onto the rack from above, and they click audibly into place.
To ensure that the bag sits as securely as possible on the rack, the hooks can be adapted to fit tube diameters from 8 to 16 mm using rubber pads of different thicknesses. The initial setup takes a moment, but after that, the Xberg sits rock-solid. For backpack comfort, the Xberg lacks a lower rail hook, but despite this, it neither shifted around while riding nor rattled over uneven ground during our review period.
To remove it, release the lock using the handle and lift the backpack upwards. It’s fast and easy, with no need to touch dirty spokes or rack tubing – a clean solution.
Off The Bike
The design really comes into its own once the ride is over. Fold the back panel down again, and the hooks completely disappear behind it – while the shoulder straps emerge like a change of scenery on stage. In our review, the Xberg felt surprisingly like a conventional backpack. The back section and shoulder straps are well padded and ventilated, distributing the weight evenly, without any hard parts of the mounting system pressing through.
That makes the deuter Xberg suitable not only for the short walk from the bike rack to the office, but also for longer distances on foot, onward journeys by train, or trips without a bike altogether – provided its unladen weight of 1.5 kg isn’t too much for you.
Bag Organisation
With 25 litres of capacity, the deuter Xberg has enough room for a laptop, jacket, water bottle and provisions. The roll-top closure lets you expand the storage space by another 5 litres – handy for spontaneous extras, or even an overnight bikepacking trip on your SUV ebike. Incidentally, our SUV ebike group test might help if you’re still searching for one. Reflective details on the sides and front of the bag improve visibility when your ride stretches into dusk.
A removable laptop sleeve with three compartments keeps your work equipment and accessories organised. Your smartphone and smaller items fit into a zipped side pocket, while a cycling helmet can be stowed in the semi-open front pocket.
Is the deuter Xberg 25 Cycle Backpack Waterproof?
Unlike the other four pannier bags in the review, the backpack doesn’t rely on a seam-sealed, waterproof construction. In heavy rain, you’ll need to use the integrated rain cover instead. During our three-minute heavy rain simulation, it kept the contents completely dry.
In everyday use, however, this means one extra step: the cover has to be taken out in time, and fitted properly – easier said than done if you’re riding in heavy traffic. Anyone who rides in the rain frequently will have less hassle with a fully waterproof bag.
But the rain cover solution has its advantages, too. It gives deuter considerably more flexibility when choosing materials, allowing them to offer the Xberg 25 as a bluesign® certified, PFAS-free product.
Who Should Take a Closer Look at the deuter Xberg 25 Cycle Backpack?
The Xberg is a true all-rounder for anyone who doesn’t want to buy a separate bag for every purpose. It works on the bike, in the office, on the train, and over longer distances on foot – or simply as a backpack for a day out without the bike.
Its high carrying comfort means you’ll still enjoy using it when the bike stays at home. As such, the Xberg is aimed at anyone who wants to remain flexible and is looking for one solution that can cover several roles in everyday life.
It’s less suitable for riders who prefer a permanently waterproof bag rather than an additional rain cover.
Conclusion
No other model in the review switches between backpack and pannier bag as effortlessly as the deuter Xberg 25. The clever back panel hides the hooks in seconds, while the BagFix system keeps the bag rock-solid on the bike. Anyone who can live with the extra step of fitting the rain cover and the 1.5 kg weight gets an exceptionally versatile, comfortable and well-designed all-rounder for the office, shopping and day trips. At €200, it isn’t exactly cheap – but as a complete package, it’s the deserved Best in Test.
Tops
- Simple, tool-free mounting system with zero wobble
- Fits all five bike racks in the review
- Folding system keeps your clothes clean in backpack mode, and prevents the mounting hooks from pressing into your back
- One bag for everything: highly versatile
- Clear compartment organisation
Flops
- At 1.5 kg, it's no lightweight
Find more information at deuter
The Test Field
All panniers for rear racks in review: deuter XBERG 25 Cycling Backpack | Forrider 3in1 Urban Adventure Pannier | ORTLIEB BACK-ROLLER 20L Zip-Pocket | Thule Shield InLock 23L Cycling Backpack | VAUDE Aqua Back Single
Click here for the main article.
Looking for More Bag Reviews?
You can find more reviews from E-MOUNTAINBIKE and our sister magazines ENDURO, GRAN FONDO and DOWNTOWN here:
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- EVOC Hydro Pro 1.5 backpack on test – Small But Mighty?
- Hot or Not? EVOC ROAD BIKE BAG PRO in Review
- Thule RoundTrip – A well-Sorted Bike Duffel Bag?
Words: Felicia Nastal Photos: Jan Fock
About the Author
Felicia Nastal
Communication Specialist
Felicia Nastal combines her academic rigour and eye for detail with a passion for technical lifestyle products at 41 Publishing. As a qualified Germanist with over ten years of teaching experience, she is responsible for in-depth individual and comparison tests for DOWNTOWN magazine. She translates complex features into clear value propositions – whether that’s coffee culture, car camping or high-tech gear for everyday life. Alongside her editorial work, she oversees central tasks in SEO and GEO optimisation, as well as manufacturer communication at 41 Publishing.
