Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Marin
Previous used estimate
$670 - $690
Actual value depends on condition, size, and local demand.

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What should an all-mountain bike be? It should be capable. Marin's Attack Trail 6.9 has a 160mm-travel Fox 36 up front and a Float air shock out back with 150mm of travel. It should be tough. The Attack's gracefully hydroformed 6061 aluminum frame sports a tapered headtube and a rear Maxle for stiffness that you notice and appreciate right away. Above all, it should be versatile, able to climb as well as it descends. A SRAM 2x10 drivetrain delivers plenty of gears and the Elixir brakes are XC light, yet DH worthy. The same can be said for the light, tough Fulcrum wheels with Maxxis rubber. The Attack Trail 6.9: what an all-mountain bike should be.
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.