Initial Thoughts and experiences: Trek 2014 X-Caliber 6 29er | Mountain Bike Reviews Forum
X-Caliber 9 - Trek Bikes
Trek X-Caliber reviews and prices - 29er bikes
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