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Norwegian designer of a single-speed bike that is very lightweight and ideal for city riding.
- Harris Cyclery Singlespeed Central
Specialists in singlespeed and fixed gear conversions for road and mountain bikes.
- SofaKing Cycles
Stock and custom mountain bike frames. Specializing in single speeds.
- Spot Brand Bicycle Components
Makers of single speed frames and components.
- Surly Bikes
Makers of framesets and parts for single speed, cyclocross, and other uses.