At the beginning of the 1990s, the German communication designer Otl Aicher spoke of the phenomenon of "objects of utility that cannot be used". For there are objects that, viewed in isolation, function perfectly but are difficult to use. The easier a product is to operate – in other words, to use – the greater its benefit to the user.
One example of the quality of use is the KitchenAid Go Cordless suite of kitchen appliances. All appliances share a removable 12-volt rechargeable battery, whichenables use independent of electricity.
The Stromer ST5 Pinion speed pedelec with 9-speed gearbox and electronic gear shifting, which is operated via triggers on the handlebars, enables fast and precise gear shifting and offers excellent, dynamic yet at the same time smooth riding behaviour.