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BMC Trailfox AMP SX keeps you riding


The Story

It’s the first hot day of spring and David slams the shed door shut with a new optimism.

“Parenthood mixed with a career left me wanting,” David opens, pedalling in the direction of the woods. “Having to focus on family and work meant I was left with no time to ride. Sure, you can be selfish when you’re young. But when others rely on you, you need to make sacrifices. I figured that the buzz of a rapid descent would just be a souvenir from my youth, shelved until later in life when the kids move out.” 

But after discovering the Trailfox AMP David could reassess: “You wouldn’t believe how much easier it is to steal back those free hours now. I can condense so much more into 60 minutes that it’s like I’ve been given more time. And the best thing is that I know I’m doing something good for everyone, rather than feeling selfish that I’m focusing on me and letting other priorities slide.” David adds, revealing a familiar glint of excitement that comes from energetically greeting his kids after an hour of fresh loamy turns.

In Detail


E-specific Advanced Pivot System
Twin Hollow-core Technology
E-Specific Geo Concept
Shimano E-8000
Integrated Speed Sensor
650b+ wheels and tires

E-specific Advanced Pivot System

An efficient, plush suspension system with an e-MTB tune that blends your power with that of the bike.

Learn More

Twin Hollow-core Technology

Hides the battery pack in the downtube while supporting a stiff front triangle.

E-Specific Geo Concept

Adjusted to the needs of an e-mountainbiker, to provide the full all-mountain experience.

Shimano E-8000

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.

Integrated Speed Sensor

Hidden in the rearstay and disc for a clean look and accurate speed measurement.

650b+ wheels and tires

The ultimate wheel and tire combination for all-conditions traction, smooth rolling, and maximum control.

Technical Details

  • SKU

  • Frame

    Speedfox AMP - Twin Hollowcore - Advanced Pivot System, 12 x 148mm Thru-axle
  • Tubing

    Carbon (F), Al-13 Triple-butted aluminum (R), integrated battery pack
  • Drive Unit

    Shimano STEPS MTB E-8000, 250W, 70Nm output
  • Battery Pack

    Shimano STEPS MTB E-8020, 500Wh, integrated
  • Fork

    Fox Float 36, Factory, FIT4, E-MTB, (170mm), 15x110mm Thru Axle
  • Rear Shock

    Fox Float DPX2, Factory Evol (150mm)
  • Gears

  • Chainwheel

    Shimano FC-E8000, 34T
  • Cassette

    Shimano SLX, 11-46T
  • Chain

    Shimano CN-HG601
  • Rear Derailleur

    Shimano XT, Shadow Plus
  • Shifters

    Shimano SLX
  • Brakes

    Magura MT7 (200/200)
  • Handlebar

    Renthal Fatbar, 800mm, 20mm rise, 31,8
  • Stem

    Renthal Apex 40mm
  • Seatpost

    Fox Transfer Performance Elite 150mm *
  • Saddle

    WTB Silverado Comp
  • Hubs

    DT Swiss H1900
  • Rims

    DT Swiss H1900 35 **
  • Tires

    Vittoria Mota DH 27,5x2,5
  • Weight (Kg)

  • Frame Material

    Carbon / Aluminum

Size S M L
Base Bar Drop Flat Cockpit MM N/A N/A N/A
Top Tube MM 573 616 645
Wheelbase MM 1162 1207 1238
Seat Angle 74 74 74
Seatpost Drop MM N/A N/A N/A
Seatpost Length MM N/A N/A N/A
Stack MM 595 606 620
Trail MM 103 103 103
Rider Height CM <170 170-185 >180
BB Height MM N/A N/A N/A
Rear Center MM 445 445 445
Pad Reach V Cockpit MM N/A N/A N/A
Reach MM 405 445 469
Pad Stack V Cockpit MM N/A N/A N/A
Head Tube MM 91 103 118
Head Angle 65 65 65
BB Drop MM 17 17 17
Pad Stack Flat Cockpit MM N/A N/A N/A
Stem Length MM 45 45 45
Saddle Height Range N/A N/A N/A
Seat Tube MM 400 440 480
Stem Angle N/A N/A N/A
Post Offset MM N/A N/A N/A
Rear Travel 445 445 445
Crank Length MM 165 165 170
Fork Rake MM 51 51 51
Front Center MM 715 760 791
Pad Reach Flat Cockpit MM N/A N/A N/A
Base Bar Drop V Cockpit MM N/A N/A N/A
Base Bar Reach V Cockpit MM N/A N/A N/A
Fork Length MM 561 561 561
Bar Rise MM N/A N/A N/A
Base Bar Reach Flat Cockpit MM N/A N/A N/A
Bar Width MM 780 780 780
Bar Reach MM N/A N/A N/A
Bar Drop MM N/A N/A N/A
Backsweep N/A N/A N/A

In the press

What are they saying?

Power delivery is seamless and smooth.

And even when you punch it into boost mode to rocket up the steepest climbs, the extra assistance builds gradually so as not to cause the rear wheel to spin or put you off balance.


Geometry feels like a spot-on mountain bike.

On the trail, the bike is delight to ride. It rides like a laterally stiff all mountain bike with a very capable front.


BMC’s first ever eMTB is remarkable


On technical climbs the Trailfox rides impressively with a plush-feeling rear end

This lends itself to ample traction, and greatly reduced pedal-bob out even with compression damping fully open.” (...) “The suspension manages to be extremely plush, without subduing the bike too much. Teamed with the slack head angle, the Trailfox AMP manages to stay glued to the trail and ride predictably even at high speeds.


BMC have launched a stunning all-mountain contender onto the market that knows exactly how to perform with a great ride and only the finest components.


In every respect this is BMC’s tastiest piece of equipment, with a wealth of great details


The BMC Trailfox is a sublime eMTB that demonstrates no real weaknesses


This could just be one of the best riding e-bikes currently on the market

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