- General Stuff
- Garage Hacker's General Discussion
- Builders Connection - Introduce Yourself
- Tips, Tutorials and Resources - Learn and Share Valuable Information
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- AZTV text & video tutorials
- Tools & Skills You Will Need
- Axles
- Bearings
- Bike Hacking
- Bike Hacking Tutorial
- Bike Repairs - General
- Bottom Brackets
- Brakes & Cables
- Chains & Chain Management
- Donor Bikes
- Fabricating Custom Parts
- Fairings
- Forks
- Frame Building
- Gears
- Handlebars
- Head Tubes
- Home Built & Unusual Tools
- Hubs
- Jigs
- Lights
- Painting
- Performance Specs/Suggestions
- Safety
- Seats, Seating Hardware, Head Rests
- Steering
- Suspension
- Tools and Parts Sources
- Trailers & Cargo Equipment
- Resources - books, videos, web sites
- Training & Health
- Welding Equipment and Tips
- Welding Basics Tutorial
- Wheels, Tires & Spokes
- Cargo bikes
- Fun Rides
- Short Wheel Base Recumbent - Support for Plans
- Trikes and Quadcycles - Support for Plans
- Aurora Racing Delta Trike
- DeltaRunner Recumbent Trike
- DeltaWolf Recumbent Speed Trike
- Kyoto Cruiser Recumbent Trike
- LodeRunner Delta Cargo Trike
- SpinCycle Stunt Trike
- StreetFighter QuadCycle
- StreetFox Tadpole Trike
- TimberWolf Delta Trike
- TriCruiser Recumbent Trike
- Ucan2 Handcycle Trike
- Viking Tandem Trike
- Warrior Recumbent Racing Trike
- Choppers - Support for Plans
- Long Wheel Base Recumbents - Support for Plans
- Motorized Bikes & Vehicles - Support for Plans
- Tandems - Support for Plans
- Electronics - LucidScience.com