Urban Bikeway Design Collaborative
3 series on record
3 series on record
| Series | Years | Issues |
|---|---|---|
| Sprocket Man [Original Stanford Edition] | 1975-1975 | 1 |
| Sprocketman [Sprocket Man; Raleigh Bicycle] | 1976-1976 | 1 |
| Sprocketman [Sprocket Man; Revised Edition] | 1976-1976 | 1 |