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![Is Trek 3900 Mountain Bike A Good Bike? [Trek 3900 Review]](https://bestbikeselect.com/wp-content/uploads/2021/12/Trek-820-7.jpg "Is Trek 3900 Mountain Bike A Good Bike? [Trek 3900 Review]")
Is Trek 3900 Mountain Bike A Good Bike? [Trek 3900 Review]
2006 Trek 3900 - Specs, Reviews, Images - Mountain Bike Database
2012 3900 Equipped - Bike Archive - Trek Bicycle
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19.5" TREK 3900 Alpha Aluminum 21 Speed Hardtail Mountain Bike 5'9"-6'0"
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Trek 3900 Mountain Bike
2008 Trek 3900 WSD – Specs, Comparisons, Reviews – 99 Spokes
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