More miles, more trails. Take on more terrain with the Fourstroke AMP LT. Featuring 120 mm of smooth APS suspension and powered by the ultra-quiet and latest version of TQ-HPR60 drive unit, this carbon-framed e-MTB keeps you moving with confidence on technical climbs and fast descents. With a dependable SHIMANO XT M8100 drivetrain, RockShox SID 3P fork, and sturdy wheels built with SHL28OS alloy rims, it’s made to elevate your ride experience, whether it’s laps at your local trails or backcountry exploration.
Hidden Power
Fourstroke AMP LT levels up with hidden power thanks to the TQ-HPR60 drive unit. Powerful, light and compact, it is seamlessly integrated into the frame for an uncompromised look and natural ride feeling.
Optimized APS Suspension
More traction equals more speed and that is what we’re after. Next-level kinematics tuning, and best-in-class suspension performance delivers full traction, great efficiency, and active suspension on every terrain.
Redefined Geometry
BMC Race is tailored to a fast and progressive racing style designed to attack the steepest and loosest courses with the improved 66.5˚ head angle and a long front-end.
Go Long
The Fourstroke AMP LT is versatile by design to let you carry speed with confidence on technical trails. It has been optimized to fit two water bottles or a TQ range extender plus a bottle.
Technical Overview
Frameset
Frame:
Fourstroke LT AMP Carbon | APS Suspension System | 120mm Travel | Integrated Battery | Fully Guided Internal Cable Routing | Post Mount Disc | 12 x 148mm Boost Thru-Axle
Fork:
Rockshox SID 3P | 120mm Travel
Suspension
Front Suspension:
Rockshox SID 3P | 120mm Travel
Rear Suspension:
RockShox SIDLUXE Select+ 3P | 120mm Travel
Remote Lockout:
E-System
Drive Unit:
TQ-HPR Drive Unit
Battery Pack:
TQ Battery | 360 Wh | Certified by UL LLC
Display:
TQ Display | 2" O-LED | Bluetooth / ANT+
Drive Unit Control:
TQ Remote
Charger:
TQ 4A Charger
Cockpit
Stem:
Forged 6061 Alloy
Handlebar:
BMC MRB 03 Riser Bar | 760mm
Seat
Seatpost:
X-Fusion Manic
Saddle:
Fizik Antares R7
Drivetrain
Crankset:
Praxis eCrank
Chainrings:
32T
Cassette:
SHIMANO Deore (CS-M6100)
Cassette Size:
10-51T
Chain:
SHIMANO CN-M6100
Rear Derailleur:
SHIMANO XT (RD-M8100)
Shifters:
SHIMANO XT (SL-M8100) | Rapidfire Plus
Gears:
1 x 12
Brakes
Brake Levers / Calipers:
SHIMANO Deore | BL-M6100 Levers | BR-M6120 Calipers
Rotors:
SHIMANO SM-RT54 | Centerlock
Rotor Size (F/R):
180 / 180mm
Wheels
Rims:
SHL28OS | 25mm Inner Width
Hubs (F/R):
SHIMANO TC-500
Tires:
Maxxis Rekon 2.4" WT | EXO TR
Tubeless Information:
Tubeless Ready Rims | Tubetype Tires
Additional Information
Tire Clearance:
60mm measured tire
Weight without Pedals:
17.3kg | Size M as pictured with all accessories
ASTM Classification:
Level 3
System Weight Limit:
110kg
General Product Safety Regulation (GPSR):
Safety Instructions GPSR (EU)
Responsible person according to GPSR (EU)
| Size | S | M | L | XL |
|---|---|---|---|---|
| Rider Height | <172 | 172-182 | 180-188 | >188 |
| Reach | 437 | 457 | 476 | 496 |
| Stack | 594 | 605 | 615 | 627 |
| Bar Rise | 15 | 15 | 15 | 15 |
| Bar Sweep | 9° | 9° | 9° | 9° |
| Bar Width | 760 | 760 | 760 | 760 |
| BB Drop | 40 | 40 | 40 | 40 |
| Crank Length | 165 | 170 | 170 | 170 |
| Fork Length | 531 | 531 | 531 | 531 |
| Fork Rake | 44 | 44 | 44 | 44 |
| Front Center | 725 | 751 | 775 | 800 |
| Head Tube | 90 | 102 | 113 | 125 |
| Head Tube Angle | 66.5° | 66.5° | 66.5° | 66.5° |
| Rear Center | 435 | 435 | 435 | 435 |
| Seat Angle | 77° | 77° | 77° | 77° |
| Seat Tube | 420 | 430 | 470 | 490 |
| Seatpost Drop | 125 | 150 | 170 | 170 |
| Seatpost Length | 361 | 425 | 469 | 469 |
| Seatpost Offset | 0 | 0 | 0 | 0 |
| Standover Height | 730 | 730 | 730 | 730 |
| Stem Angle | ±6° | ±6° | ±6° | ±6° |
| Stem Length | 45 | 60 | 60 | 60 |
| Top Tube | 574 | 597 | 620 | 644 |
| Trail | 115 | 115 | 115 | 115 |
| Wheelbase | 1157 | 1178 | 1202 | 1227 |
