About Us


Design and Manufacturing 3-dimensional V-Twin motorcycle ornamentation, Zambini Bros pursues an art for the lifestyle of all bike riders.

Providing Motorcycle Manufacturers, Custom Bike Builders, Clubs and Individuals with artistic creations to BRAND their bikes.

Zambini Bros offers quality custom products in any quantity as well as Customer Service for installation and care of our products.

Our Reputation is Built on:

  • Unique Products - logos and emblems for your bike.
  • Individual Pieces - every order is hand made in El Cajon, California, USA.
  • Industry Demand - no quality is too small or too large.
  • Customer Satisfaction - 30 years of customer service and reliability.
  • Worldwide Distribution - we ship our products world wide.

If you have an idea or theme Zambini Bros is ready to provide your Company or Club with design services to develop a unique 3-dimensional logo product enhancing your BRAND recognition.

Each product ships with a signed Certificate of Product. A copy is provided here for your perusal.


John Danna - Owner

 Papa Z - Zambini Bros  "Papa Z", as John is known to most of us, has been creating motorcycle art and ornamentation since 1968.

More than twenty years of development with cold cast metallic materials, John and Donna have developed a world wide market for V-Twin ornamentation for Riders, Bike Builders, Clubs, and Manufacturers wanting to personalize their bikes.

Donna Goulet – Marketing Director and Partner

Donna Goulet - Zambini Bros  Donna coordinates our national and international marketing sales.

River Don – Shop Foreman

River Don Zambini Bros  Working directly with Papa Z, Don insures Customer Orders are on schedule and meet Quality Standards.

Lynne Steinman - Master Caster

Harley Davidson and Indian Motorcycle Ornamentation Art Emblems Lynne works with Papa Z in the shop and Donna in the office.

Whistling Don – Web Design Guru & Inspiration

Whistling Don  Whistling Don honors our path, leaving a legacy of Web and Document Control, Photography and Graphics, Good Vibrations, and a great cup of coffee.


- Many of our Motorcycle Emblems are available for both left and right side covers.
- Be sure to list your motorcycle maker, year, and model in the order form "Additional comments" box. Your emblem fitment depends on this.
- Double the quantity when Ordering both left and right side emblems for your bike and be sure to note this in the order form "Additional comments" box.

TRUE METALLIC VENEERS: Using true metallic veneers of aluminum, bronze, and copper along with custom colors Zambini Bros original cast sculptures into 3-dimensional art. Zambini Bros is able to replicate and produce individual customer’s designs in 3-dimensions to fit a variety of motorcycle applications, as well as Papa Z's own designs shown here. Adaptable to any surface and a variety of installation requirements our products are individually cast and hand finished. Products are cast with metallic veneers alone and combined with specified colors in a thermoplastic matrix.

One, Two, and Three cast metal composite color combinations offered of Aluminum (Silver), Bronze (Gold), and Copper to choose from. Select your color combinations from the Color Option drop down box, which in turn goes on your order ensuring you choose your preference. Perfect way to "Brand Your Bike" and rock something distinctive. Choice products in Harley Davidson Motorcycle Accessories.


       - Office: San Diego, California 92110, USA
       - Shop: El Cajon, California 92021 USA

 office +1.619.972.0962 zbzoffce@gmail.com
 shop: +1.619.593.7966 zbzorders@gmail.com