Amplify your trail-game with the all-new Fourstroke AMP LT built to perform on every terrain. This advanced XC performance machine delivers a progressive riding feel with 120 mm of revolutionized APS dual-link suspension travel. Hidden trail-racing power comes curtesy of the trailblazing TQ-HPR50 drive system for nonstop uphill and downhill speed to make sure nothing stands in your way. The full-carbon frame includes our most progressive Big Wheel Concept Race geometry to accommodate two water bottles, an integrated fork stopper and frame protection. Hit the trails at speed with Fourstroke AMP LT LTD arriving with a SRAM XX1 Eagle AXS drivetrain, Fox Float 34 SC Factory fork and Fox Float DPS Factory EVOL LV shock, a DT Swiss XRC 1200 wheelset with 30mm inner width, RockShox Reverb AXS seatpost and the powerful TQ-HPR50 drive unit.
Hidden Power
Fourstroke AMP LT levels up with hidden power thanks to the TQ-HPR50 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
BWC 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.
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
Suspension
Front Suspension:
Fox Float 34 SC Factory | Kashima Coating | FIT4
Rear Suspension:
Fox Float DPS Factory | Kashima Coating | EVOL LV
E-System
Drive Unit:
TQ-HPR50 Drive Unit
Battery Pack:
TQ Battery | 360 Wh
Display:
TQ VO2 Display | 2″ O-LED | Bluetooth / ANT+
Drive Unit Control:
TQ V01 Remote
Charger:
TQ HPR-50 4A Charger
Cockpit
Stem:
Truvativ Atmos 7K
Handlebar:
BMC MRB 01 Carbon | 760mm
Seat
Seatpost:
RockShox Reverb AXS
Saddle:
Fizik Antares R5
Drivetrain
Crankset:
Praxis Carbon eCrank | SRAM X Sync
Chainrings:
34T
Cassette:
SRAM XX1 XG-1299 Eagle
Cassette Size:
10-52T
Chain:
SRAM XX1 Eagle
Rear Derailleur:
SRAM Apex XPLR
Shifters:
SRAM AXS Controller
Gears:
1 x 12
Brakes
Brake Levers / Calipers:
SRAM G2 Ultimate
Rotors:
SRAM Centerline
Rotor Size (F/R):
180 / 180mm
Wheels
Rims:
DT Swiss XRC 1200 | 30mm Inner Width
Hubs (F/R):
DT Swiss 180 Straightpull | Ratchet EXP 36
Tires:
Maxxis Rekon 2.4″ | EXO TR
Additional Information
Tire Clearance:
60mm
ASTM Classification:
Level 3
System Weight Limit:
110kg
Geometry:
| 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 | 20 | 20 | 20 | 20 |
| Bar Sweep | 7.5 | 7.5 | 7.5 | 7.5 |
| 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 | 100 | 150 | 170 | 170 |
| Standover Height | 730 | 730 | 730 | 730 |
| Stem Angle | 6 | 6 | 6 | 6 |
| Stem Length | 40 | 50 | 50 | 60 |
| Top Tube | 574 | 597 | 620 | 644 |
| Trail | 115 | 115 | 115 | 115 |
| Wheelbase | 1157 | 1178 | 1202 | 1227 |
