Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
BMC
Previous used estimate
$565 - $581
Actual value depends on condition, size, and local demand.

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BMC’s Fourstroke FS03 is nimble, fast and ready for fun. Its triple-butted aluminum frame is light, so it dances up climbs, while the rear thru-axle gives you control on descents. A tapered RockShox fork offers precision steering and trail-smoothing travel, plus BMC’s APS suspension is paired with 100mm of rear travel for an active, efficient ride. Stiff 29-inch Mavic wheels hold their speed and roll over obstacles with monster-truck ease, and the Continental tires are fast with a solid grip through corners. Shimano’s reliable Deore drivetrain provides a wide gear range to easily transition from steep hills to fast, flowing downhills, plus Deore disc brakes offer confident speed modulation. BMC rounds out the spec with their light aluminum seatpost, short stem, and wide bars as well as a comfortable Selle Royal saddle.
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.