Transmission specialist Antonov reports that exhaustive testing of an electric vehicle equipped with the firm's multi-speed transmission over eight different drive cycles has proven that its multi-speed unit delivers approximately a 10-percent improvement in electric motor efficiency compared to a single-speed solution.
Want to know the hottest trends in bikes? Well, you have come to the right place. The picture above is Dekra's "chainless" bike which replaces your standard noisy, greasy chain with a totally self contained system. Not simple enough? Another popular trend are super simple fixed gear or track bikes that are single speed, do not coast (the wheel only turns when you pedal) and have no brakes. Not strange enough for you? How about "retrodirect" bikes which, unlike most bike where pedaling backwards
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