Trek X-caliber 9 - 2016 Bike, Trek's XC Race Hardtail Bike
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