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BMC Trailfox AMP SX

BMC Trailfox AMP SX
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The Trailfox AMP was born from an all-mountain pedigree. Its Premium Carbon frame construction and dialed componentry create the perfect package for climbing higher and descending further than ever before. Featuring an e-specific APS suspension system, this bike delivers efficient, plush suspension with an e-MTB specific tune that blends your power with that of the bike. A powerful drive unit made with mountain biking in mind, the Shimano E-8000 provides strong yet sensitive engagement while maintaining true mountain bike geometry. This is seamlessly integrated into the frame with Twin Hollow-core Technology that hides the battery pack in the downtube while supporting a stiff front triangle. Furthering the clean look, the integrated speed sensor provides accurate speed measurement while remaining hidden in the rear stay and disc rotor.

The Trailfox AMP rolls on a 27.5" platform that delivers the ultimate wheel and tire combination for all-conditions traction, smooth roll-over, and maximum control. With 150 millimeters of travel, BMC’s APS suspension, and robust four-piston brakes, this bike is the perfect weapon for blasting backcountry terrain. A new era of pedal-assist, backcountry trail shredding awaits aboard the Trailfox AMP.

- Fox Float 36 Factory S-Ped Fork, Fox Float DPX2 Factory Shock
- Shimano XT Drivetrain
- DT Swiss H1900 35 Wheelset

A dropper seatpost allows you to quickly lower and raise your seat to give you an ideal riding position. Dropping your seat creates a lower center of gravity for better control and maneuverability on steep descents, while raising it puts you at normal riding height for efficient pedaling.

Construction can include either hydraulic- or cable-actuated systems and the post’s travel can either be infinitely adjustable or stopped at set intervals, depending on the model.

Dropper seatposts come in standard lengths and diameters and vary by the amount of travel.


Motor Shimano STEPS MTB E-8000, 250W, 70Nm output
Battery Shimano STEPS MTB E-8020, 500Wh, integrated
Frame Carbon (F), Al-13 Triple-butted aluminum (R), Twin Hollowcore, integrated battery pack, Advanced Pivot System, 150mm Trave
Fork Fox Float 36, Factory, FIT4, E-MTB, (170mm)
Rear Shock Fox Float DPX2, Factory Evol (150mm)
Axles Front: 15 x 110mm thru-axle
Rear: 12 x 148mm thru-axle
Rims/Wheels DT Swiss H1900 35
Tires Vittoria Mota DH 27.5 x 2.5"
Crankset Shimano FC-E8000
Chainrings 34T
Chain Shimano CN-HG601
Rear Derailleur Shimano XT, Shadow Plus
Cassette/Rear Cogs Shimano SLX, 11-46T
Shifters Shimano SLX
Handlebars Renthal Fatbar, 800mm, 20mm rise, 31.8
Stem Renthal Apex 40mm
Brakes Magura MT7 (200/200)
Saddle WTB Silverado Comp
Seatpost Fox Transfer Performance Elite 150mm
Accessories & Extras Tubeless rim strips installed, valves included

* Subject to change without notice.


Part Numbers

Option UPC MPN
Party Blue / Small 07630027830408 301608006659
Party Blue / Medium 07630027830415 301608006660
Party Blue / Large 07630027830422 301608006661