While sitting on a beach on holiday, the idea of a plastic bike first came to Frank Blase, igus CEO. In conversations with employees of a bicycle rental company on the beach, he found out that their beach bikes were continuously exposed to sand, wind and saltwater and sometimes only lasted three months before they had to be replaced. Maintenance and replacement are often expensive and time-consuming in this industry.

Fast forward, and the company is now ready to present its igus:bike at the Hannover Messe exhibition. This robust, durable urban bike is made entirely of plastic, from frame to bearings to toothed belt. One special feature is that the recycled version will be primarily made of reused plastics originally “single use”. 

Does not rust
The igus:bike is easier to own than any other. Owners can leave the single-speed bike outdoors in all weather and clean it in seconds with a garden hose. “As all components are made of plastic, no part of the bike rusts, even the gears – bicycle gears made of plastic were unthinkable for a long time,” says Frank. Lightweight, lubrication-free high-performance plastics are used in all parts of the bicycle, from two-component ball bearings in the wheel bearings to plain bearings in the seat post, brake levers and pedals. All of these components have integrated solid lubricants and ensure low-friction dry operation – without a single drop of lubricating oil. This ensures that sand, dust and dirt cannot accumulate. 

These tribo-plastics from igus have been used successfully for a long time and are currently used in more than 70 industries: in automobiles, tractors and robots. And they have also had many fans in the bicycle industry for decades. They have been proving their worth there for a long time in such applications as mountain bikes and e-cargo bikes. 

Moving componentsIn the igus development laboratories, eight developers are currently working on all moving components of the all-plastic bicycle. Ball bearings, brakes, sprockets, gears and drives are being coordinated by Andreas Hermey, the development manager for energy chains and in close cooperation with the bicycle start-up MTRL from the Netherlands. 

Tried and tested existing developments from igus were adapted to the new application. The result is smooth-operating, quiet, durable plastic components that give suppliers from all over the world the opportunity to benefit from the igus:bike platform. 

Platform for manufacturers
The new igus:bike platform continuously shows the status and progress of all components and explicitly invites market players to participate. “We want to enable the bicycle industry to produce plastic bikes,” says Frank. 

The platform is intended to become a contact point for manufacturers who want to build a plastic bicycle and for all manufacturers of suitable components, such as plastic frames, wheels, drives, and pinions. The platform is already hosting initial corporate collaborations. One example is Helix.eco for recycled plastics. Many more will follow. Old fishing nets

Another partner is MTRL, a Dutch start-up that has successfully put 400 bicycles with plastic frames and wheels onto Netherlands’ roads. “Founders Johannes and Benjamin Alderse Baas are partners who share our vision completely,” says Frank, who is himself an investor in MTRL. “Together, we are refining the all-plastic bicycle.” The bicycle start-up will begin production and sales of a children’s model and an adult bicycle for cities will commence by the end of this year. The German launch will be in early 2023. 

Other versions, such as an e-bike, have also been planned. In the future, the all-plastic bicycle will be available both in a variant made of new plastic and one made entirely of recycled material. The first prototypes, successfully produced and tested, were made of material from old fishing nets, for example. The adult bike made of virgin plastic will cost 1,200 euros. There will be a surcharge of 200 euros for the recycled-plastic variant. MTRL is planning manufacturing facilities near plastic landfills around the world. 

“From ocean plastics to motion plastics – the igus:bike concept has what it takes to become a high-tech ecological product,” Frank concludes. “We have lots more ideas, such as installing condition monitoring using igus smart plastics. That would let you use your smartphone to see how many more thousands of kilometres the bike can take which will hopefully convince many people who are still sceptical about plastic.”


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