Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Cannondale
Previous used estimate
$165 - $170
Actual value depends on condition, size, and local demand.

12-month projected trend
1%
Direction and magnitude, not judgment
vs. category average
5%
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.
Cannondale's Bad Boy 4 tames the city streets and turns them into your own personal playground. With a lightweight aluminum frame and a sturdy Cannondale Fatty fork, this is one bike that's sure to improve your commute. The durable, quick-rolling wheelset features fast, flat-resistant WTB tires, and with 30 gears and Shimano's trademark reliability at your command you're primed to tackle every hill. Mechanical disc brakes are great when the weather is less than ideal, and offer reliable, powerful control no matter the conditions. Cannondale's own high-quality aluminum components dress this bike up for its urban debut.
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.