The first time we got a 2019 BMC Alpenchallenge AMP Cross ONE e-bike in the shop, we thought the whole bike looked MEAN. The chunky WTB Nano tires roll quickly on the road, but grip tenaciously in dirt and off the beaten path. Add in a powerful Shimano STEPS drive unit, top-level frame integration and technology, and neutral handling, and the Alpenchallenge AMP is ready for explorations on and off-road.
Despite looking relatively pedestrian, there is a ton of tech to the 2019 Alpenchallenge AMP. The full carbon frame and fork are formed to perfectly accentuate the battery found on the seattube. BMC found that locating the battery there improved handling over placing the battery in the downtube. The brand has also added their Micro Travel Technology (MTT), also found on their Teamelite mountain bike. MTT features 10mm of tuned travel to provide not only the requisite traction for the Shimano drive unit, but also improved comfort. A D-shaped carbon seatpost, also seen on their Roadmachine and Teammachine road bikes, improves ride comfort over a traditional carbon seatpost.
The Alpenchallenge AMP is designed around integration, much like the rest of BMC’s collection. BMC aimed to build a lightweight bike with neutral handling and impressive comfort. To do so, the Shimano STEPS E6100 drive unit and Shimano battery are neatly integrated around the bottom bracket and seattube area. The STEPS drive unit is something found on the majority of BMC AMP e-bikes. With a 500 Wh battery and a motor that provides 250 W of assistance, and 60 Nm of torque, the bike offers plenty of support, quiet assistance for up to 55 miles, and little drag compared to other drive motors. They pair this to their Di2-like display and assistance system; both are compact and easy to use as well. STEPS is one of the most compact systems around, and BMC takes advantage of that with their Drive Nest Unit; in other words, the drive motor is a bit further back than the competition.
This 2019 BMC Alpenchallenge AMP Cross ONE is based around a carbon frame and fork, Shimano STEPS E6100 drive unit, and DT Swiss R500/Formula hub wheels. A Shimano Deore 1×10 drivetrain, Shimano UR300 brakes, and BMC alloy bar and stem complete the build. Alpenchallege AMP is available in three sizes (S-L).
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