While cycling, our legs would also occasionally rub against the straps, though this wasn’t particularly common. Heading out the door? Read this article on the new Outside+ app available now on iOS devices for members! Overall, selecting the right top tube bag will depend on your specific needs and preferences, as well as the type of cycling you intend to do. The size of the top tube bag will determine how much gear you can carry in it. Consider what items you plan to store in the bag, such as energy bars, energy gels, a multi-tool, spare tube, or other essentials.

Like the Altura, it would occasionally lean to one side, but not all that often. And, unlike the Altura, our knees rarely found it obtrusive, either.

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When looking for a top tube bag for your bike, there are several important factors to consider. Here are the key aspects to look for: Size and capacity

There’s still one litre of space available and we had no issues storing multiple gels, a tool, phone and mini pump. Based on this, we’d say this is also a solid choice for long days in the saddle. An aerodynamic top tube bag can minimise wind resistance and reduce drag, which is especially crucial if you're a performance-oriented cyclist or regularly ride at higher speeds. Mounting systemIn practice, this didn’t seem to make it any less stable, but, admittedly, this is a slimmer product, so there was less of it overhanging our top tube.