This Might Be The Best Off-Road E-Bike We’ve Ever Seen, But It Costs Nearly $7K

Trek’s new electric mountain bikes (eMTBs) offer power-assisted rides with a slim frame that looks like a regular bike – but if you want one of those sleek rides, you’ll have to pay an arm and a leg.

The new EXe fuel line (opens in new tab) is designed around the brand new mid-mount HPR50 engine, which was developed in collaboration with TQ – a German robotics company (via New Atlas (opens in new tab)). The HPR part stands for Harmonic Pin Ring transmission and means the engine runs similarly to a more typical rotary engine, but in a smaller package. Case in point, it weighs just 3.9 pounds (1.8 kg).

Plus, Trek says it should be quieter than a regular eMTB engine with a “5x nicer sound and 1.8x quieter” sound. We’d have to try this bike out for ourselves to determine if it’s actually more pleasant to hear, but a quieter engine would certainly be appreciated – allowing you to soak up more of the sound of nature as you hike the desert trails.

(Image credit: Trek)

As for the battery, you’ll get 360Wh by default, with an optional add-on of a 160Wh range extender. The normal battery will give you between two and five hours of power-assisted ride – with time depending on the level of boost you use – and the battery reportedly adds up to two and a half hours of extra juice to your tank.

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