Mountain Bikes

Santana Tandems Santana Tandems- Makes premium, value, exotic, family, and custom tandems. Includes advice on traveling with a tandem, and a test to see if tandeming is for you. Da Vinci Designs Da Vinci Designs- Hand-built tandem bicycles with independent coasting drivetrain, from Colorado, USA. List of features and contact information. Bilenky Tandems Bilenky Tandems- Builders of performance and custom tandems. Product range, standard geometries, and color choices.