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 8 (2016) review - MBR
Trek X-caliber 8 – 2016 | 899 € - Culture Vélo
Trek X-Caliber 8 29er (Size Medium) – South Tampa Bicycle Co.
Trek X-Caliber (2016) MTB Matte Trek Black/Volt Green ML (18.5") | eBay