4 Strike Bike by Lex van Stekelenburg

4 Strike Bike concept was born out of physical complain when Lex van Stekelenburg, a surgeon and cyclists, developed back and shoulder complaints after years of performing lengthy surgical operations (standing, bent, crooked postures). So, he came up with the idea of designing a bike to improve muscle power and better posture. A bike that features more horizontal position and with harmonious movement along with shoulder and pelvic girdle. You will use more muscle power which is combined from both upper and lower body, and this muscle works will be equally distributed for healthier heart and better aerated lungs.

Designer : Lex van Stekelenburg

4 Strike Bike by Lex van Stekelenburg

4 Strike Bike by Lex van Stekelenburg

The handlebar features a patented mechanism that allows upper body “pedaling” and steering to be combined. With conventional bike, you can notice how easily the bike moves at the rear but not the front. Keeping that in mind, Stekelenburg wanted to make full use of a bicycle, the handlebars can be combined with a drive system and become a tandem. The front drive system incorporates a steering stabilizing mechanism. The crankshaft has a special freewheel system that allows the bike to be cycled with both arms and legs or with the legs alone while getting on and off the bike.

The handlebar also features a click system that allows the “hand-pedals” to be fixed in their highest position during cycling as in a normal handlebar, transforming this bike back into a regular bike. This ordinary bicycle function is the basis of the 4 Strike Bike. Modern 4 Strike Bike can be adjusted to suit different traffic situations or based on your personal preferences.

4 Strike Bike by Lex van Stekelenburg

4 Strike Bike by Lex van Stekelenburg

4 Strike Bike by Lex van Stekelenburg

4 Strike Bike by Lex van Stekelenburg

4 Strike Bike by Lex van Stekelenburg

4 Strike Bike by Lex van Stekelenburg

4 Strike Bike by Lex van Stekelenburg


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