Someone is selling this Trek X Caliber 8. Looks like a 2016-2017 and they're asking $600. Would this be a step in the right direction upgrading from a Trek Marlin 4? : r/mountainbiking
2016 Trek X-Caliber 8 - YouTube
Trek X-Caliber 8 used in L | buycycle
2016 Trek X Caliber - Bicycle Details - BicycleBlueBook.com