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Product Description


The BMC Trailfox AMP SX is an all-mountain e-Bike that allows you to reach your physical boundaries then ride right past them. The Trailfox is for the rider who loves epic rides and adventures. This bike will help you climb the highest hills and explore the trails for miles on end. Above all, the Trailfox is there for you to have fun on every part of your ride. Tight corners, straight sprints, tough climbs, and technical descents will all be accomplished with a smile on your face on the new BMC Trailfox AMP SX.

The Trailfox AMP SX features e-MTB geometry to give you a level of fun and intuition that you only get from a well-built and balanced all-mountain bike. A long reach and a short chainstay along with a slack headtube give it a nice and low center of gravity despite a raised bottom bracket. This helps you stay stable with quick and intuitive handling on technical descents. The carbon frame of the BMC Trailfox AMP SX is made using Twin Hollow-core technology which provides the necessary width needed to accommodate the battery of an e-Bike. Luckily, BMC found a way to keep these tubes very stiff which is crucial with the weight of an e-Bike.

The Advanced Pivot System is a staple in BMC full suspension mountain bikes and the Trailfox AMP SX is no exception. This bike optimizes its pivot location to maximize your pedaling efficiency, braking, bump compliance, and handling. This gives you all the performance and versatility you expect in a traditional mountain bike in a pedal assist Trailfox. Your stability is further amplified with 27.5-inch tires that help you keep your speed while precisely navigating technical mountain terrain.

To keep an e-Bike looking sleek and functioning smoothly, integration is key. BMC implemented a smooth drive unit cover that protects the unit while fitting in perfectly with the shape of the frame. Chainstay and yoke protectors add to durability and reduce noise created on rocky terrain. The speed sensors are seamlessly integrated into the rear triangle as to not interfere with easy rear wheel changing. All of this adds up to a durable e-Bike that holds true to BMC’s typical sleek look.

With your BMC Trailfox AMP SX, your next adventure is never too far away. This all-mountain e-Bike is a weapon for the most curious and adventurous riders on the mountain. The pedal assist helps you push yourself to new heights without sacrificing that traditional mountain bike feel. If you are looking for pure joy on the trials, you need an adventurous bike that combines speed and stability in an integrated design like the BMC Trailfox AMP SX.


  • Frame: Trailfox AMP - Carbon (F), Al-13 Triple-butted aluminum (R) - 150mm
  • Shock: Fox Float DPX2, Factory Evol (150mm)
  • Fork: Fox Float 36, Factory, FIT4, E-MTB, (170mm), 15x110mm Thru Axle
  • Stem: Renthal Apex 40mm
  • Seatpost: Fox Transfer Performance Elite 150mm


  • Bottom Bracket Shimano
  • Brake Calipers Magura MT7
  • Brake Levers Magura MT7
  • Cassette Shimano SLX, 11-46
  • Chain Shimano HG601
  • Crankset Shimano FC-E8000, 34t
  • Fork Fox Float 36, Factory, FIT4, E-MTB, 170mm, 15x110mm Thru Axle
  • Frame Material Carbon (F), Al-13 Triple Butted Aluminum (R), 12x148mm Thru-Axle
  • Front Derailleur None
  • Handlebar Renthal Fatbar, 800mm, 20mm Rise
  • Headset Integrated, Tapered 1 1/8"-1 1/2"
  • Pedals Not Included
  • Rear Derailleur Shimano XT M8000, Shadow Plus
  • Rear Suspension Fox Float DPX2, Factory Evol, 150mm
  • Rotors Magura 200mm
  • Saddle WTB Silverado Comp
  • Seatpost Fox Transfer Performance Elite, 150mm
  • Shifters Shimano SLX
  • Stem Renthal Apex, 40mm
  • Tires Vittoria Mota DH, 27.5x2.5"
  • Wheel - Front DT Swiss H1900
  • Wheel - Rear DT Swiss H1900



Bike Geometry

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