Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
GT
Previous used estimate
$188 - $194
Actual value depends on condition, size, and local demand.

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They don't put big wheels on monster trucks for nothing. GT's Karakoram Comp has large 29-inch wheels to make everything in your way seem smaller. For a nimble, easy-pedaling ride, it boasts GT's light, quick 6061-aluminum frame, and for control over obstacles, you've got a bump-busting SR Suntour suspension fork with 100mm of travel. You also get quality aluminum wheels with grippy Continental tires, a slick-shifting 27-speed drivetrain so you can cruise over the climbs and powerful disc brakes for the flight back down.
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.