Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
Previous used estimate
$135 - $139
Actual value depends on condition, size, and local demand.

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Trek's 3700 Disc is a comfortable, versatile ride that's at home on trails and tarmac. It sports Trek's nimble Silver Series aluminum frame and a plush 100mm-travel SunTour suspension fork for a light, lively ride and confidence over rocks, roots, potholes-you name it. You'll enjoy easy pedaling and complete control thanks to the quick-shifting 24-speed drivetrain, knobby tires and sure-stopping mechanical-disc brakes. Plus, you'll love the comfy Bontrager seat.
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.
Inspection
Confirm fork and rear shock service intervals and check pivot bearings for play.