Define the Problem:

• People that own a small living space have difficulty storing their bikes in their house.  
• Difficult to get around
• Traffic in the house

Brainstorm Solutions:

• Store behind a door but make sure the door can open
• Get another mode of transportation
• Hang your bike
• Model buyers bike like a peice of are
• Store in a barely used closet/ room

Define Criteria and Constraints:

• Criteria
• Bike storage
• easy to assemble
• Safe
• Constraints
• No permanent damage
• Work for any bike

Sketches
 

Pully system that attaches to the ceiling without permanent damage 

 Other modes of Transportation
 
Use a Decision Matrix to justify your approach  

 sorry it's hard to read, other modes won but the buyer wants to keep their bike