Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
Previous used estimate
$947 - $974
Actual value depends on condition, size, and local demand.

12-month projected trend
14%
Direction and magnitude, not judgment
vs. category average
3%
Drops faster than category avg
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
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520 Grando is a steel adventure bike made for off-road excursions. This "gravel randonneuring" bike's nimble, streamlined setup and rugged parts spec is perfect for bikepacking and gravel riding. It's right for you if... You're always planning your next bikepacking or gravel riding escape. You want a versatile steel bike that's made to last and built for adventure on roads less traveled. The tech you get A terrain-smoothing chromoly steel frame, alloy disc fork with a ThruSkew captured quick release skewer, wide-range Shimano 2x10 drivetrain that's great for climbing, a Shimano GRX rear derailleur for smooth shifting even on rough terrain, Bontrager tubeless ready wheels, wide, all-surface tires, an included front rack, and all-weather mechanical disc brakes. The final word Steel is real, and that's only part of what makes 520 Grando the perfect expedition rig. It's nimble, spec'd with off-road ready parts, and ready to rip gravel and light trails in the name of adventure. Why you'll love it - It’s everything you love about 520, just outfitted for off-road and rough-road excursions - ThruSkew captured quick-release skewer gives you added retention security and ease of use out on the open road - The GRX rear derailleur gives you better chain retention and smooth, reliable shifting on rough terrain - 520 Grando is built to hold up, and it's super reliable over the long haul - There's no better way to see the world than from the saddle, and this is the bike that answers your wanderlust
Inspection
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Inspection
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.