Trek 3900 Disc
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Details
Whether you're cruising the local trails or simply enjoying streets and bike paths for fitness and fun, Trek's 3900 Disc is the perfect ride. You'll appreciate the responsive Trek White Series aluminum frame and the bump-busting 100mm-travel suspension fork. And, you'll love how the easy-pedaling 24-speed drivetrain makes easy work of the hills, and how the powerful mechanical disc brakes allow you to perfectly modulate your speed. The 3900 will bring you cycling joy for years to come.
Specs
| Frame | Trek Alpha White Series aluminum |
|---|---|
| Fork | SR SunTour XCT V2, 100mm-travel |
| Rims/Wheels | Bontrager 550 |
| Hubs | Front: Formula; Rear: Shimano M475 |
| Spokes | 14g stainless-steel |
| Tires | Bontrager LT-3, 26 x 2.0 |
| Crankset | Shimano |
| Chainrings | 42/34/24 |
| Front Derailleur | Shimano |
| Rear Derailleur | Shimano |
| Rear Cogs | SRAM PG-830, 8-speed: 11-32 |
| Shifters | Shimano EF50 |
| Handlebars | Bontrager |
| Tape/Grips | Bontrager SSR |
| Stem | Bontrager |
| Brake Levers | Shimano EF50 |
| Brakes | Tektro mechanical disc, 6-inch rotors |
| Pedals | Wellgo nylon platform |
| Saddle | Bontrager SSR |
| Seatpost | Bontrager SSR |
* Subject to change without notice.
Part Numbers
| Option | UPC | MPN |
|---|---|---|
| Matte Orange / 13-inch | 745889705126 | 10176100310 |
| Matte Orange / 16-inch | 745889705140 | 10176101310 |
| Matte Orange / 18-inch | 745889705164 | 10176102310 |
| Matte Orange / 19.5-inch | 745889705188 | 10176103310 |
| Matte Orange / 21-inch | 745889705201 | 10176104310 |
| Matte Orange / 22.5-inch | 745889705225 | 10176105310 |
| Matte Black / 13-inch | 745889705003 | 10176100210 |
| Matte Black / 16-inch | 745889705027 | 10176101210 |
| Matte Black / 18-inch | 745889705041 | 10176102210 |
| Matte Black / 19.5-inch | 745889705065 | 10176103210 |
| Matte Black / 21-inch | 745889705089 | 10176104210 |
| Matte Black / 22.5-inch | 745889705102 | 10176105210 |