I finally bought a bike! Its a Trek Marlin 4, 2021. Thanks for everyone from this community who suggested it and especially u/badger906 for explaining me a lot of basics : r/mountainbiking
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The Starting Point - 2020 Trek Marlin 4 Disc Feature Review and Weight - YouTube
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The Starting Point - 2020 Trek Marlin 4 Disc Feature Review and Weight - YouTube