Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Co-Motion
Previous used estimate
$1,152 - $1,185
Actual value depends on condition, size, and local demand.

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Co-Motion's PeriScope Trident is the way to include the whole family in your cycling adventures without resorting to a trailer or trailer-bike. And, its telescoping seatposts let it fit riders from 3- to over 6-feet tall so your bike can grow with your kids. Plus, the hand-built Co-Motion frame and fork mean you enjoy excellent handling so it's suited to everything from family fun to century rides. It's built for easy riding with a precision-shifting Shimano/FSA drivetrain, powerful Avid disc brakes and quality tandem wheels for a lifetime of triple fun.
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.