Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Co-Motion
Previous used estimate
$1,393 - $1,433
Actual value depends on condition, size, and local demand.

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Co-Motion's PeriScope Trident Convertible is a great way to get the whole family cycling without resorting to a trailer or trailer-bike. Its telescoping seatposts let it fit riders from 3- to over 6-feet tall so your bike can grow with your kids. And thanks to S&S Couplers, this versatile triple converts to a tandem, so you can ride with just your partner too! You'll all love the hand-built Co-Motion frame and fork that handle like a dream. The Trident is perfect for everything from family adventures to century rides with a precision-shifting Shimano/FSA drivetrain, powerful Avid disc brakes and quality tandem wheels ready for a lifetime of 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.