The Lampshade For Your Bicycle Tail-light.

 

Technical Information:

Please note, Sombra is a tail-light diffuser and requires an existing 
tail-light (not included). Please read below to make sure 
Sombra fits your bicycle and tail-light.

• Sombra fits most bicycle seat-post clamps provided by 
• top brands like Specialized, Trek, Giant, Raleigh, 
• Cannondale and others. 
• Sombra cannot be fitted on front bolt or diagonally cut clamps.
• Sombra fits popular seat-post mounted tail lights 
• including Mars 4.0, Planet Bike Superflash Turbo, 
• PB Blinky 7, PB Blinky Super Flash, Portland 
• Design Works Red Planet, PB Blinky 5, 
• Cateye Reflex, NiteRider Cherry Bomb, 
• PDW Danger Zone, Cateye Rapid 3,
•  Knog Frog Strobe and Cateye Rapid 5. 
• Sombra does not fit rack, helmet, 
• handlebar or bag mounted lights, or lights that protrude 
• more than 5.5 cm (2 inches) from the seat-post.

The Sombra Design Proccess:

The first ever Sombra design made of paper and aluminium: 

The next few models were experiments with Polypropylene:

The first design with a seat-post clamp connection instead of a bracket:
MM