Deuter Cabezon SB 16

The Deuter Cabezon SB 16 is a waterproof, easy-to-attach bikepacking bag with a high-capacity design for multi-day bikepacking trips. It is stable on the bike, looks good and I found it easy to use. However, the bag performed best when carrying a medium-capacity load.

The Cabezon SB 16 consists of two parts: a waterproof dry bag and a harness shell that attaches to the bike and holds the dry bag in place.

Fitting

I found it very easy to attach the Deuter to my road bike. Two clips pass through the rails of your saddle and Velcro straps to attach to the seatpost.

It is even easier to do than some bags, as you can do it without the separate bag attached.

To avoid any damage to paintwork, ensure both the bag and the bike are clean before attaching it.

Size

The 16-litre capacity is much larger than you might expect when first looking at the bag. It comfortably fits enough for a multi-day trip.

If you require additional space, the external bungee straps allow you to carry some flip-flops or a jacket, which is always handy to have nearby.

I found the bag worked best with a medium load. If you don’t fill it much, it can feel a little loose. If you really cram it full, it becomes harder to slot into the shell, and the side straps feel slightly short.

As with a lot of bikepacking bags, to maximise the space and stability, you need to think carefully about the order you pack the items. You should store heavier items at the bottom, ie closer to frame, which will help to prevent any stability issues.

The compression valve helps you expel any excess air and maximise the space available.

The waterproof bag can be removed from the bike quickly, which is useful for bikepacking trips or for avoiding leaving valuables unattended. It also makes it easier to take it off and rummage through it when you need something. If the bag is close to capacity, it can be tricky to get it back into the shell while it is on the bike, but you can remove it to make it easier.

The bag has a 5kg weight limit which is broadly in line with other bags, and you’d be hard-pressed to fit a lot more weight in there (unless you were carrying bullion, of course).

All my testing was done on a road bike, and there was sufficient clearance from the bag to the back wheel; there were no issues with rubbing or straps interfering with wheels. You do need a fair amount of exposed seatpost to use it. If you are using it on a bike with less clearance from the saddle rails to the tyre, then there may be issues, but I don’t foresee any on a road bike.

Material and reinforcement

Deuter uses a light 600D TPU construction and is tear and abrasion-resistant, and it looks great too. It is waterproof, which will give confidence that you’ve got dry kit waiting after a long day on the bike. The quality is excellent and you can be confident that it will last a long time.

The bag is rated to IPX4, which means it protects against splashing water on all sides. In practice it seemed better than that to me, which I think is at least partly down to the TPU (thermoplastic polyurethane) mentioned above, which is extremely water-resistant. The lack of rain during testing meant I had to test it in the shower, and the contents were totally dry after five minutes.

While it is not rated as ‘fully waterproof’, it would be easily good enough for any conditions I’d be willing to ride in.

Stability

The bag felt secure when climbing and I experienced minimal swaying, provided I tied the straps sufficiently tight. If you are wrestling the bike up a 20% beast, then it might sway. However, if you channel your rock-solid Adam Yates climbing style, it’ll remain stable.

I never noticed any stability issues when descending, but I was mainly restricted to five-minute descents in south-west England rather than any epic Alpine downhills.

When I loaded the bag to maximum capacity for a brief test, there was some swaying, but when loaded with a more realistic two to three days’ worth of kit, it was stable.

Other

Like a lot of large saddlebags, the Cabezon takes up a lot of your seatpost, which makes mounting a rear light a bit tricky. You could clip one to the straps, but there isn’t a dedicated light mount. If you are doing some long days with early starts or late finishes, then you might struggle to mount a powerful enough light securely.

Each of the straps has a Velcro fastener to roll up the spare material. This was a nice touch as it prevented them from flapping around or getting caught anywhere. I also didn’t notice any noise or rattle when using the bag.

With this style of Velcro saddlebags, you can often experience some thigh rub on the Velcro, which can damage the inner thigh of your shorts. I didn’t find it any worse than other bags I’ve used, but I tend not to use my best shorts when riding with one of these style bags.

I tested the ‘Desert Black’ colour, it is also available in ‘Atlantic Blue’ or black.

The bag comes with a two-year warranty, and after that, Deuter will repair it for a reduced fee.

Value

At £110, the Deuter Cabezon SB 16 is on the more expensive side for saddlebags we have reviewed.

The Oxford Aqua Evo Adventure Seat Pack received a very good review and at £54.99 is a penny under half the Deuter’s price.

We also liked the Zefal Z Adventure R11 a good deal, which is a little dearer than the Oxford at £67.99.

We tested the Restrap Saddle Bag a long time ago, but we found it hard to fault and the design is still the same today. It now costs £124.99.

For more luggage options, check out our best seatpacks for gravel and mountain bikes buyer’s guide and our best bikepacking bags buyer’s guide.

Overall

The Deuter Cabezon SB 16 is a well-made, high-quality saddlebag that’s easy to attach and has a large capacity for multi-day trips. It’s stable, and the removable dry bag is genuinely useful.

However, its performance is sensitive to how much you’re carrying: carry too little and it feels a bit loose, too much and it becomes awkward to slot into the shell, with the side straps starting to feel a bit short. When it’s in that ‘Goldilocks’ middle zone, it works very well.

Verdict

Well-made, stable, high-capacity waterproof saddlebag that’s great when packed just right

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