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
X-Caliber 8 - Trek Bikes
Marlin 8 Gen 2 - Trek Bikes
My new Trek xcaliber 8 2016 | Mountain Bike Reviews Forum
2016/2017? Trek Xcaliber 8 for $375 : r/whichbike
2016 TREK X-CALIBER 8 - XS - 13.5 - Mint condition For Sale