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Altura Thunderstorm City 20 Pannier

The Altura Thunderstorm City 20 Pannier delivers fully waterproof load-carrying capability in a smart and durable package, with good commuter features. It could lend itself to a spot of touring too.

With a 20-litre capacity, it has commuter-focused features rather than touring – it's fully waterproof with a roll-top closure to keep out the rain, has reflective accents all over it to maximise visibility, a padded laptop sleeve built into the structure inside, plus a zipped interior pocket, sleeve pocket and key loop.

It attaches with a robust and high quality R&K Klickfix mechanism. Designed to fit pretty much any gauge of rack tubing, it's simply a case of adjusting the hooks at the top as per the clear instructions. It's also possible to get a separate insert for larger tubing. Adjusting its position is quick and easy too, and the bag is secure and stable once fitted.

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One thing that we really loved is the push-button removal which makes it a superfast job to fit and remove the bag, once all the initial fitting has been set up. Ultimately, the Altura is an excellent bag – it's extremely easy and convenient to use, with confidence-inspiring protection and good urban-friendly features. Being lighter than many waterproof panniers also makes it an attractive proposition for occasional touring use, adding to its value.