Yikebike's ingenious range extender

The Yikebike is a miniature, electric penny farthing made of carbon fiber and now it's on sale, it is quickly gathering a cult early-adopter following thanks to its weight of 10.8 kilograms, that it folds so small it can fit in a backpack, and that it will run at 25km/h (15 mph). Until now, it has ticked all the boxes except one - its limited range of just 10 kilometers. Now it has released an extender battery pack so you can add additional 10 kilometer increments to the range of your YikeBike. Each battery costs US$195 and weighs 1.95kg and there's a special backpack to carry multiple batteries so it becomes a very practical solution that offers the Yikebike unsurpassed bang-per-kilogram and versatility as a commuting appliance. Though it's hard to equate the US$3600 price tag with primary transport, the addition of a Yikebike to any automobile storage compartment significantly extends the capabilities of both vehicles. The facility to carry secondary transportation inside cars has been explored many times in recent years by Honda and Ford in particular … and it makes a lot of sense.

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