Testers found the Rocky Mountain Instinct Powerplay to perform relatively well on the climbs. The steep seat tube made for a comfortable climbing position and the powerful pedal-assist drive unit felt dialed. Its traction could be improved with beefier tires, and the weight of the bike feels centered a little higher than the competition resulting in some awkward handling at lower speeds. The Giant Trance E+ is also a competent climber, with ground-hugging Maestro suspension, comfortable geometry, and plenty of power on tap when you need it. The YT Decoy CF Pro has plenty of power, but it seems clear that this bike was designed for the descents. The Decoy still climbs relatively well, but testers found the low bottom bracket height made it more prone to pedal strikes than other competitors. Our least favorite bike on the climbs was the Ghost Hybride SL AMR. The Ghost has solid geometry numbers, but the pedal assistance felt less powerful and was definitely less consistent than the competition.

E-bikes mostly use motors and battery options from a few major suppliers: Bosch, Yamaha, Shimano, and Brose. A few other brands exist, but are less reliable or powerful. Some, like the Yamaha system, have more torque, and others, like Bosch’s Active Line, are nearly silent. But, generally, all four make good options. Look for motor output (in torque), which will give you an idea of total power. Just like car engines, more torque equals more power off the line and more boost to your pedaling. But watt hours (Wh) is perhaps a more important figure to use—it takes into account battery output and life to give a more accurate reflection of power (higher Wh equals bigger range).
EThe Best in Test and Best Value Electric Mountain Bike tips do not result from the sum of star ratings, but by the assessment of the entire test team, taking into account the overall concept of the bike. It would be methodologically wrong to only add up the star ratings to make a final judgment in a scoring system – saying that something is “good” will not help anyone if they don’t know what it is for and for whom it is “good.” For this reason, we give a clear recommendation in every test result for which type of rider and purpose the bike is suitable and which not. The bikes themselves are as individual as the riders are – we just want to provide you with all the information you need to make a well-informed decision before buying. Here’s to long-lasting fun!
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