Trek X-Caliber 8 is Fun But is it Worth One BIG Drawback - YouTube
Trek X-Caliber 8 review - BikeRadar
Trek X-Caliber 8 used in M | buycycle
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 X-CALIBER 8 XL 29 - bicycles - by owner - bike sale - craigslist