Released October 15

BMC Launches the Fourstroke AMP LT — a Light and Quiet E-MTB
Overview

Builds

4

Price Range

$7,299–($17,486)

Wheels

29″

Suspension

Full, 120 / 120mm

Frame Material

Carbon

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. Fourstroke AMP LT TWO has you hit those trails at speed with a Shimano XT 12 spd drivetrain, RockShox SID SL Select+ fork and RockShox SIDLuxe Select+ shock, a DT Swiss M 1900 wheelset with 30mm inner width, X-Fusion Manic 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. Arriving with the harmonic pin-ring transmission, 360 WH battery, 2” fully integrated display and minimalistic handlebar remote, this brand-new system makes sure to amplify your trail game.

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. Resulting in faster times, this new and improved full-feature suspension allows you to pedal efficiently, brake hard, and charge rough terrain without compromise.

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. The 429 mm short chainstays deliver power with proven traction on the most technical sections. The lowered bottom bracket and a steep 77˚ seat angle provide perfect weight distribution and handling.

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; it comes with 120 mm of suspension travel to push the trail boundaries with 34 to 35 mm forks and a 60 mm tire clearance to fit 2.4” Maxxis Rekon tires with EXO protection.

Design Boost

Put the hammer down! The redesigned chassis excels in torsional and pedalling stiffness for unparalleled power delivery. A true performance leap that boosts one of the most successful Cross-Country bikes on the scene to a new level.

Dropper Post

Fourstroke AMP LT features a standard seat tube that allows the use of classic 31.6mm dropper posts for extended versatility and optimization.

The highs and lows of this model family

Compare the Fourstroke AMP LT Range
MSRP
$7,299$8,999($12,240)($17,486)
Spec Level
Fork
RockShox SIDRockShox SID SL SelectRockShox SID SL SelectFox Factory Float 34
Wheels
AluminumAluminumCarbonCarbon
Motor
TQ mid-driveTQ mid-driveTQ mid-driveTQ mid-drive
Battery
TQ 360WhTQ 360WhTQ 360WhTQ 360Wh
Groupset
SLX, PraxisXT, PraxisGX Eagle AXS, SRAMXX1 Eagle AXS, SRAM
Drivetrain
1 × 121 × 121 × 12 Electronic1 × 12 Electronic
Seatpost
RigidDropperDropperDropper
Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Geometry
Wheels
29″29″29″29″
594605615627
437457476496
1.361.321.291.26
574597620644
420430470490
77.077.077.077.0
90102113125
66.566.566.566.5
40404040
334334334334
725751775800
435435435435
1,1571,1781,2021,227
44444444
115115115115
730730730730
Stem Length
40505060
Stem Angle
6.06.06.06.0
Crank Length
165170170175
Handlebar Width
760760760760

🐐 Measurements listed in mm and degrees

Reviews
Bikerumor
Review: BMC Fourstroke 01 -vs- Fourstroke LT -vs- Fourstroke AMP LT

Oct 25, 2022

We compare all three versions of the 2023 BMC Fourstroke XC bike, from the race-winning 01 to the "downcountry" LT to the AMP LT eMTB.

Read Review

Pinkbike
First Look: BMC Fourstroke AMP LT - Downcountry Motorized

Oct 15, 2022 · Matt Beer

BMC has totally revised their suspension layout on the 120 mm travel Fourstroke LT AMP to fit the TQ motor in the downtube.

Read Review

Bike Perfect
BMC Fourstroke AMP LT LTD first ride review – lightweight downcountry e-MTB

Oct 14, 2022 · Graham Cottingham

BMC's new 120mm downcountry Fourstroke AMP LT is one of the lightest e-MTBs around at 15.9kg

Highs
  • Playful yet planted feel

  • Very low overall weight

  • Two bottle cages

  • Both motor and frame are extremely quiet

  • Excellent electronic shifting

Lows
  • Lacks steep gradient grunt compared to high-powered e-MTBs

Read Review

From BMC

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. Fourstroke AMP LT TWO has you hit those trails at speed with a Shimano XT 12 spd drivetrain, RockShox SID SL Select+ fork and RockShox SIDLuxe Select+ shock, a DT Swiss M 1900 wheelset with 30mm inner width, X-Fusion Manic 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. Arriving with the harmonic pin-ring transmission, 360 WH battery, 2” fully integrated display and minimalistic handlebar remote, this brand-new system makes sure to amplify your trail game.

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. Resulting in faster times, this new and improved full-feature suspension allows you to pedal efficiently, brake hard, and charge rough terrain without compromise.

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. The 429 mm short chainstays deliver power with proven traction on the most technical sections. The lowered bottom bracket and a steep 77˚ seat angle provide perfect weight distribution and handling.

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; it comes with 120 mm of suspension travel to push the trail boundaries with 34 to 35 mm forks and a 60 mm tire clearance to fit 2.4” Maxxis Rekon tires with EXO protection.

Design Boost

Put the hammer down! The redesigned chassis excels in torsional and pedalling stiffness for unparalleled power delivery. A true performance leap that boosts one of the most successful Cross-Country bikes on the scene to a new level.

Dropper Post

Fourstroke AMP LT features a standard seat tube that allows the use of classic 31.6mm dropper posts for extended versatility and optimization.