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
Trek X-Caliber 9
TREK X-CALIBER 8 2017 - YouTube
Trek X-Caliber 9 used in M | buycycle USA
Trek X-Caliber 9 used in L | buycycle
2017 Trek X Caliber 9 - BicycleBlueBook.com
MTB Trek Xcaliber 8 2017 used - VENDRE-SON-VELO.COM
29in wheels on a Trek X-Caliber 7 2017 Size Small (15.5)? : r/MTB