Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Trek
Previous used estimate
$173 - $178
Actual value depends on condition, size, and local demand.

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Trek's 4300 Disc is perfect for getting into mountain biking, cruising around town, commuting, running errands and everything else! Its Trek Black Series aluminum frame feels light enough to float yet is built plenty tough to hold its own in the durability department. Plus, this sweet ride boasts a 100mm-travel Spinner suspension fork for comfort and control, an easy-pedaling 24-speed Shimano drivetrain, a plush saddle and super-versatile tires on dependable rims. Plus, to really keep your speed in check, you've got powerful ProMax disc brakes too.
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.