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
Trek X-Caliber 6 reviews and prices - 29er bikes
X-Caliber: Full of Fast, Built to Last - YouTube
Stolen 2014 Trek X-Caliber 6
2015 Trek X-Caliber 6
Looking for Upgrades on my Trek X-Caliber 7 | Mountain Bike Reviews Forum
X-Caliber 7 | Trek Bikes
Trek X-Caliber 8 - BikeRadar
2015 Trek Xcaliber 6 Review - YouTube
2015 X-Caliber 6 - Bike Archive - Trek Bicycle
2016 Trek X Caliber - Bicycle Details - BicycleBlueBook.com