of course, it's about a thousand dollars... but, that might not deter you if you're faced with a daily commute to work.
Exactly how much assistance it provides can be predetermined by the rider, using an app on their smartphone. That app also allows them to track their riding stats, including distance traveled, calories burned and elevation gain.
It features either a 250-watt or 350-watt hub motor (buyer's choice), a rechargeable lithium-ion battery, a range of approximately 30 miles and a top assisted speed of 20 mph. It weighs 12 lb, and is available in 26-inch, 27-inch and 700C sizes.