# Shell-Shaped Motorcycles Allert Jacobs' Aerocycle is a Fuel-Efficient Bike With a Fiberglass Casin By manzil | Published 2010-07-09 | Autos Source: Trend Hunter, https://www.trendhunter.com/trends/allert-jacob References: [popsci](http://www.popsci.com/diy/article/2010-06/you-built-what-aerocycle) & [velomobiel.nl](http://www.velomobiel.nl/allert/) Dutch designer Allert Jacobs spent three years creating the [fuel-efficient](https://www.trendhunter.com/trends/benda-p51) and shell-encased Aerocycle bike. The Aerocycle is actually a modified version of a [Honda](https://www.trendhunter.com/trends/dotto-creations) Innova 125i that now includes a hand-crafted [fiberglass shell](https://www.trendhunter.com/trends/rcyl-bike), steel tube frames, and aerodynamic cones and indicator lights. The Aerocycle bike features a special 'door' that slides forward to accommodate the rider, a manual clutch and an interior locking system for added security. Allert Jacobs' Aerocycle cost him $5,000 to make, but the result is a sleek 200 MPG motorcycle. ## Trend Insights (Trend Hunter) - Score: 5.6/10 - Popularity: 80% | Activity: 79% | Freshness: 8% - Audience gender: 90% men, 10% women - Primary generations: Gen Z, Millennial, Gen X - Top markets: North America, Europe, Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Autos](https://www.trendhunter.com/autos) ## Key Themes ### Key Themes Behind This Trend - **Shell-encased Vehicles:** Exploit the potential of customized casing designs for a more fuel-efficient and aerodynamic vehicle. - **DIY Vehicle Modification:** Foster a culture of innovation by encouraging DIY tinkering and modification of existing vehicles for more sustainable transportation solutions. - **Fuel-efficient Motorcycles:** Invest in the development and marketing of lightweight, fuel-efficient motorcycles that appeal to eco-conscious consumers. ### Where This Applies - **Automotive Manufacturing:** Incorporate trends in customized casing designs and fuel-efficient engine technologies in the production of automobiles. - **Motorcycle Manufacturing:** Partner with designers and innovators to create lightweight, fuel-efficient motorcycles that meet the growing demand for sustainable transportation. - **DIY and Maker Industries:** Tap into the growing market of DIY and Maker Industries by offering solutions and materials for vehicle customization and modification. ## Related on Trend Hunter - [Shapeshifting Superbike Concepts](https://www.trendhunter.com/trends/hypercycle.md) - [Lightweight Four-Wheeled Bikes](https://www.trendhunter.com/trends/activcycle.md) - [Four-Wheeled Hybrid Bike Designs](https://www.trendhunter.com/trends/karver-cyle-concept-k1.md) - [Hydrogen-Powered Concept Bikes](https://www.trendhunter.com/trends/hydra-bike.md) - [Sculptural Electric Motorcycle Designs](https://www.trendhunter.com/trends/c6.md) - [Research-Centric Hydrogen Motorcycles](https://www.trendhunter.com/trends/hydrogen-motorcycle.md) - [Elegant Shape-Shifting Concept Bikes](https://www.trendhunter.com/trends/concept-bike1.md) - [Angular Futuristic Electric Motorcycles](https://www.trendhunter.com/trends/solid-crs01.md) - [Hybrid Design Electric Motorcycles](https://www.trendhunter.com/trends/instinct-electric-motorcycle.md)