![Amazon.com: 50/100W Portable Pedal Generator, Mini Exercise Bike, USB Output DIY Fitness Sitting Mini Exercise Bike for Indoor Outdoor(100W) : Patio, Lawn & Garden Amazon.com: 50/100W Portable Pedal Generator, Mini Exercise Bike, USB Output DIY Fitness Sitting Mini Exercise Bike for Indoor Outdoor(100W) : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/51eXuOXY97L._AC_UF894,1000_QL80_.jpg)
Amazon.com: 50/100W Portable Pedal Generator, Mini Exercise Bike, USB Output DIY Fitness Sitting Mini Exercise Bike for Indoor Outdoor(100W) : Patio, Lawn & Garden
![DIY Build Your Own Bike Generator « Adafruit Industries – Makers, hackers, artists, designers and engineers! DIY Build Your Own Bike Generator « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2014/04/NewImage289.png)
DIY Build Your Own Bike Generator « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![500W Homemade Bicycle Generator using DC Motor 220V - Exercise & Generate Electricity | Homemade generator, Free energy generator, Alternative energy projects 500W Homemade Bicycle Generator using DC Motor 220V - Exercise & Generate Electricity | Homemade generator, Free energy generator, Alternative energy projects](https://i.pinimg.com/originals/f7/c8/f2/f7c8f2876e83efbced838cda12063687.jpg)
500W Homemade Bicycle Generator using DC Motor 220V - Exercise & Generate Electricity | Homemade generator, Free energy generator, Alternative energy projects
![350W 12V Low Speed Rare Earth Brushless Permanent Magnet Generator For DIY Stationary Exercise Bike Generator, With Stablizer - AliExpress 350W 12V Low Speed Rare Earth Brushless Permanent Magnet Generator For DIY Stationary Exercise Bike Generator, With Stablizer - AliExpress](https://ae01.alicdn.com/kf/Hb06f15c792984167a9f933eb0264114cg/350W-12V-Low-Speed-Rare-Earth-Brushless-Permanent-Magnet-Generator-For-DIY-Stationary-Exercise-Bike-Generator.jpg)