Is it possible to build (or buy) a capable full suspension cross country trail bike on less than $300 initially that can be upgraded over time? For use on rocky and root-filled
TREK 4900 | BikeRegister
Trek 4900 - 16.5" - Wheel & Sprocket | One of America's Best Bike Shops
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2004 4900 - Bike Archive - Trek Bicycle
2004 Trek 4900 Alpha USED blue silver 15.5" For Sale