For opportunity drivers Top!

Assembly:
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The installation was very easy with the help of a little water. The handles were easily attach with a little twist. After the water had dried, they also hold very stable their postion.
The dismantling of the ancients was much more exhausting to cut without them.

Handle:
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The Ergo-part of the handle is very pleasant in terms of size, but this is of course personal feelings. Since my MTB has a very wide handlebars, it may be little more than a little deeper.

The rubber is also still sufficiently wet slip. In mid-summer when the handles were exposed longer to the sun, they feel a little sticky. I feel just a little uncomfortable at first, but not annoying.

Conclusion:
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For opportunity drivers or to put it simply try it, the price-performance ratio is absolutely top. For real mountain biking or permanent driver I would recommend a somewhat higher quality, more expensive model.