2017 Trek X-Caliber 8 Mountain Bike Walkaround - YouTube
Trek X-CALIBER 7 29" Hardtail MTB Bike 2017 | All Terrain Cycles
Trek Xcaliber 7 - 2017
Trek X-Caliber 9
TREK X-CALIBER 8 2017 - YouTube
X-Caliber 7 | Trek Bikes
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