eXF 9039 B
Superior
Trail
eXF 9039 B is an alloy electric trail mountain bike (2024), from Superior, part of the Exf family. Rider-wise, it fits riders who want a more active, performance-leaning off-road feel, leaning toward a sporty, active riding position, and is well suited to natural trails and mixed off-road terrain. Its strongest points in the MatchBikes metrics are strong climbing friendliness for sustained uphill riding, a comfort-leaning ride feel over longer rides, and capable suspension support for rougher terrain. At the same time, the main limitation versus more focused builds is less emphasis on outright speed than speed-focused builds and 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
Battery
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
E-Bike Components
Geometry
| Measurement | MD | LG | XL |
|---|---|---|---|
| Stack Reach Ratio | 1.344 mm | 1.289 mm | 1.238 mm |
| Bottom Bracket Height | 347 mm | 347 mm | 347 mm |
| Front Center | 806 mm | 826 mm | 846 mm |
| Rake | 44 mm | 44 mm | 44 mm |
| Trail | 134 mm | 134 mm | 134 mm |
| Stack | 625 mm | 625 mm | 625 mm |
| Reach | 465 mm | 485 mm | 505 mm |
| Top Tube Length | 610 mm | 630 mm | 650 |
| Seat Tube Angle | 77 ° | 77 ° | 77 ° |
| Seat Tube Length | 420 mm | 440 mm | 490 mm |
| Head Tube Angle | 64 ° | 64 ° | 64 ° |
| Head Tube Length | 120 mm | 120 mm | 120 mm |
| Chainstay Length | 446 mm | 446 mm | 446 mm |
| Wheelbase | 1251 mm | 1271 mm | 1291 mm |
| Bottom Bracket Drop | 27 mm | 27 mm | 27 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 170 cm | 179 cm | 189 cm |
| Rider Max Height | 181 cm | 191 cm | 200 cm |




























































