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
2017 Trek X-Caliber 8 Series 29 for Sale in San Rafael, CA - OfferUp
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2017 Trek X-Caliber 8 Series 29 for Sale in San Rafael, CA - OfferUp