Trek 3900 Mountain Bike XS - $180 (Pittsburgh)

bicycle type: mountain

frame size: 13"/XS

wheel size: 26 in

bicycle frame material: aluminum

suspension: suspension fork (hardtail)

brake type: v-brakes

handlebar type: riser

condition: good

make / manufacturer: Trek

model name / number: 3900

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First adult bike starting about age 12 or 4'1-5'1" adult. Fully tuned up and ready to ride. Please leave your phone number for a response.

post id: 7889858054

posted: 2025-10-20 08:29

updated: 2025-11-28 09:09

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Trek 3900 Mountain Bike XS - bicycles - by owner - bike sale -...

First adult bike starting about age 12 or 4'1-5'1" adult. Fully tuned up and ready to ride. Please leave your phone number for a response.