Fourstroke AMP LT THREE USA
BMC
Trail
Fourstroke AMP LT THREE USA is a carbon electric trail mountain bike (2024), from BMC, in the Fourstroke series. It suits riders who want a more active, performance-leaning off-road feel, leaning toward a sporty, active riding position, while being well suited to natural trails and mixed off-road terrain. Based on the metrics, key strengths are strong climbing friendliness for sustained uphill riding, strong speed potential on smoother terrain, and capable suspension support for rougher terrain. Compared with more specialized alternatives, the compromise is a firmer ride feel than comfort-first options and a value score that depends more on priorities than pure price efficiency. This summary is a starting point—compare this bike on MatchBikes.com with similar bikes.
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 | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.359 mm | 1.324 mm | 1.292 mm | 1.264 mm |
| Bottom Bracket Height | 334 mm | 334 mm | 334 mm | 334 mm |
| Front Center | 725 mm | 751 mm | 775 mm | 800 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 115 mm | 115 mm | 115 mm | 115 mm |
| Stack | 594 mm | 605 mm | 615 mm | 627 mm |
| Reach | 437 mm | 457 mm | 476 mm | 496 mm |
| Top Tube Length | 574 mm | 597 mm | 620 mm | 644 mm |
| Seat Tube Angle | 77 ° | 77 ° | 77 ° | 77 ° |
| Seat Tube Length | 420 mm | 430 mm | 470 mm | 490 mm |
| Head Tube Angle | 66.5 ° | 66.5 ° | 66.5 ° | 66.5 ° |
| Head Tube Length | 90 mm | 102 mm | 113 mm | 125 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1157 mm | 1178 mm | 1202 mm | 1227 mm |
| Bottom Bracket Drop | 40 mm | 40 mm | 40 mm | 40 mm |
| Standover Height | 730 mm | 730 mm | 730 mm | 730 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Max Height | 173 cm | 182 cm | 189 cm | cm |




























































