Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
Previous used estimate
$460 - $474
Actual value depends on condition, size, and local demand.

12-month projected trend
1%
Direction and magnitude, not judgment
vs. category average
2%
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.
Diamondback’s Century 4 Carbon is ready for fun road rides of any distance, from short spins to day-long adventures. Its feathery Diamondback carbon frame and tapered carbon fork deliver fantastic efficiency and handling with a silky-smooth feel. Float across the asphalt with the fast-rolling HED wheels and Michelin tires, while the 20-speed FSA/Shimano drivetrain quickly shifts through the gears to give you the goods to tackle climbs and push the pace on the straights. Add in an FSA handlebar, a Prologo saddle, and a choice selection of Diamondback components, and this all-around fantastic bike is ready for any distance.
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.