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 Procaliber 6 review - BikeRadar
How Did The Track Veteran Trek X-Caliber 6 Conquer You?
buy 2017 Trek Marlin 6 Mountain Bike Bicycle 18.5" Frame... | Bicycle, Bicycle bike, Bike
How Did The Track Veteran Trek X-Caliber 6 Conquer You?
Trek X-Caliber 9 15.5in Bike - 2017 | The Pro's Closet