Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
Previous used estimate
$336 - $346
Actual value depends on condition, size, and local demand.

12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
4%
Drops faster than category avg
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
Choose a different build or frame style to see its value.
Hop on Diamondback's Century 3 and prepare to be wowed. With its feathery Diamondback carbon frame and tapered carbon fork, you'll experience incredible efficiency with a silky-smooth feel. This sweet road warrior comes ready to log some serious rides with fast-rolling HED wheels and Michelin tires, a precise-shifting FSA/Shimano 20-speed compact drivetrain, and Tektro's dual-pivot brakes. Add a host of Diamondback components, and you're ready to enjoy your fitness rides, group rides, every ride more than ever!
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.