A series of easy to use, detailed educational guides for aroma and flavor defects found in a variety of products.
Each wheel is a complete reference to common defects which may occur, and includes:
These practical and portable guides are popular with winemakers, enologists, brewers, olive oil producers, retailers and students. They also make excellent gifts for savvy beer, wine and olive oil consumers.
For even more portable versions of the The Defects Wheel® for Wine and for Beer, check out the mobile apps - Wine Defects and Beer Defects - for iPhone, iPad and Android.
Quick Reference for Defects Wheels

The Defects Wheel® for Beer in English |  The Defects Wheel® for Olive Oil in English | | 
The Defects Wheel® for Olive Oil in Spanish |
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Over 2,000 Defects Wheels Sold Worldwide!!!
NOW OFFERING - CUSTOMIZED DEFECTS WHEELS

Now you can customize your bulk order for any Defects Wheel.
Use your custom wheels to promote your business, provide
special gifts for your clients, fund raising gifts, and more. For a
nominal charge per wheel we will add your logo, message, or
name to each wheel using your art work. Two custom levels are
available:
- Basic: Gray scale logo/message on one side
- Impress: Full color logo/message on one side
Minimum order quantities and some restrictions apply. Please
contact us for additional information, pricing, and ordering.
-----> SPECIAL NOTE FOR INTERNATIONAL ORDERS <-----
If you do not have an Agent or Distributor that services your country (e.g. Canada), please contact us before ordering to arrange payment and shipping that meets your needs.