Worth it? This is a Trek x-caliber 6 from 2016. Seller is asking $675. Trek seems to have discontinued the 6 and that model now starts at 7. : r/whichbike
X-Caliber 8 | Trek Bikes
Trek Marlin vs X-Caliber vs Roscoe!! What's the Difference? - YouTube
X-Caliber 7 | Trek Bikes
Trek X-Caliber 7 - BikeRadar
X-Caliber 9 | Trek Bikes
Your complete guide to the 2021 Trek mountain bike range | off-road.cc
X-Caliber 9 | Trek Bikes
X-Caliber 9 | Trek Bikes
X-Caliber 9 | Trek Bikes
2021 Trek Marlin 7 vs X-Caliber 8 vs Roscoe 6 (In-Person Comparison) - YouTube
Trek X-Caliber keeps prices low, value high with updated aluminum hardtail line - Bikerumor