Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
Previous used estimate
$242 - $249
Actual value depends on condition, size, and local demand.

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29ers are great for anyone who rides on trails with roots, rocks and obstacles. Jump on GT's Karakoram 1.0, hit your favorite trail and you'll see why. For a nimble, easy-pedaling ride, it boasts GT's light, quick 6061-aluminum frame, and for control over everything, you've got a super-smooth 100mm-travel RockShox fork. You also get quality Alex wheels with grippy Maxxis tires and a slick-shifting Shimano 30-speed drivetrain with an XT rear derailleur so you can cruise over the climbs. And for the flight back down, powerful Avid hydraulic-disc brakes are at your fingertips.
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.