Powerfly FS 4 Equipped Gen 3
Trek
Crosscountry
Powerfly FS 4 Equipped Gen 3 is an alloy electric cross-country mountain bike (2024), by Trek, from the Powerfly lineup. It is best suited to riders who prioritize comfort and confidence on longer off-road rides, with a comfort-leaning position, with a surface profile that is best for smoother trails and efficient rolling. The main strengths in the metrics are good fit flexibility for dialing in rider position, a comfort-leaning ride feel over longer rides, and balanced, versatile speed for everyday riding. At the same time, the main trade-off is a value score that depends more on priorities than pure price efficiency. If this looks close to what you want, compare this bike on MatchBikes.com against similar models.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
E-Bike Components
Geometry
| Measurement | 13.5" | 15.5" | 17.5" | 19.5" | 21.5" |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.764 mm | 1.597 mm | 1.574 mm | 1.518 mm | 1.476 mm |
| Bottom Bracket Height | 328 mm | 307 mm | 324 mm | 324 mm | 324 mm |
| Front Center | 683 mm | 674 mm | 704 mm | 729 mm | 761 mm |
| Rake | 52 mm | 43 mm | 51 mm | 51 mm | 51 mm |
| Trail | 114 mm | 101 mm | 98 mm | 98 mm | 98 mm |
| Stack | 621 mm | 623 mm | 639 mm | 648 mm | 667 mm |
| Reach | 352 mm | 390 mm | 406 mm | 427 mm | 452 mm |
| Top Tube Length | 579 mm | 598 mm | 617 mm | 641 mm | 672 mm |
| Seat Tube Angle | 70 ° | 71.5 ° | 71.7 ° | 71.7 ° | 71.7 ° |
| Seat Tube Length | 363 mm | 394 mm | 419 mm | 470 mm | 521 mm |
| Head Tube Angle | 65 ° | 67.6 ° | 67.7 ° | 67.7 ° | 67.7 ° |
| Head Tube Length | 120 mm | 130 mm | 130 mm | 140 mm | 160 mm |
| Chainstay Length | 455 mm | 455 mm | 455 mm | 455 mm | 455 mm |
| Wheelbase | 1135 mm | 1125 mm | 1155 mm | 1180 mm | 1212 mm |
| Bottom Bracket Drop | 37 mm | 49 mm | 49 mm | 50 mm | 50 mm |
| Standover Height | 706 mm | 721 mm | 794 mm | 816 mm | 818 mm |
| Wheels | 27" | 27" | 29" | 29" | 29" |
| Rider Min Height | 145 cm | 154 cm | 164 cm | 175 cm | 187 cm |
| Rider Max Height | 156 cm | 166 cm | 178 cm | 189 cm | 195 cm |




























































