Free Presentations in PowerPoint format

Bicycle History 

Wheeled Sports Safety

Bicycle Extension Class

Lots of bicycle ppts on several subjects

Bicycle Construction and Design

La Tour de France (in French) ppt 
Background in English doc

See Also: Types of Transportation/History of Transportation  

For Kids

Bicycle Games 

For Teachers

Fun with Bikes - Barney and his friends (preschool)

Bicycles lesson plan

La Tour de France
(TES, free but you have to sign up)

Tour de France (lesson plan, HS)

Free Clipart

Free Templates