BMW i-Series Technology Will Power The Latest Electric Bicycle

German eBike manufacturer HNF Heisenberg announced that it will be using technology developed for the BMW i series to build its newest electric bicycle.

The Heisenberg XF1 mountain bike features a drive unit swing arm that was originally patented by BMW Research and Technology. The swing arm was developed during the early concept phase of the carmaker’s i-series, which includes the all-electric i3 and the i8 hybrid sports car.

electric bicycleThis new component not only appears visually different than Heisenberg’s other eBikes, according to BMW, but it behaves differently as well.

“The BMW i patent for the drive unit swing arm principle facilitates for the first time the integration of mid-motor, gears and belt drive into an innovative suspension module, thereby dispensing with a belt tensioner,” BMW said.

“The concept allows the drive train, which was previously firmly attached to the main frame, to float freely, eliminating the need for the conventional chain tensioner. This permits for the first time the combination of a rear suspension and the durable, maintenance-free carbon belt drive on full-suspension eBikes, resulting in outstanding propulsion and handling characteristics.”

electric bicycleFor riders, this translates to better grip, smoother acceleration and more power for ascending hills.

Mounted underneath the eBike’s down tube is Heisenberg’s standard battery pack: a 400 watt-hours lithium-ion battery that can power the XF1 for about 80 miles on flat ground. The mountain eBike is currently only available as a pedal electric cycle, which features a 250-watt electric motor to power the bike at speeds up to 25 kilometers per hour (15.5 mph).

For more power, Heisenberg lists an s-pedelec package for its other eBikes. This upgrades the motor to 500 watt electric motor, boosts speeds to 45 kph (28 mph) and adds about $540 to the price. The option isn’t currently available for the XF1, but may be added later.

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The XF1 weighs about 55 pounds, which is slightly heavier than Heisenberg’s other eBikes. Standard equipment includes Rock Shox Monarch Plus RC3 shocks, a Rock Shox Pike RC 140 mm fork and a Bosch Intuvia board computer to manage battery life and driving mode.

Production has just started on the XF1, and Heisenberg is anticipating first deliveries this fall. Prices start at 8345 euros ($9,267).