Main Gear for BigBite® (2015+) (781A, 782A)
*Actual product may vary slightly from picture.

Main Gear for BigBite® (2015+) (781A, 782A)

SKU: 01019027
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Replacement Part for 781A, 782A
Only In Stock
90 Day Warranty
 Not Eligible for Discounts
The Main Gear with splined drive shaft for our A series BigBite® Grinders sized #22 & #32. This is for the A series grinders of this size only. Check the information sticker on the grinder to confirm you have the correct model number. The A series was made between 2015 and 2017. If you are unsure of your grinder's model number please call our service team at 877-536-7763.

  • Length:3.54"
  • Outer Dimension 3.19"
  • 53 Teeth
  • Material:40cr

View 781 & 782 Product Manual
Your LEM product is warranted for 1 YEAR from date of purchase, covering Parts and Labor.


At LEM, we understand that our job doesn't end the moment you purchase a product. We want to help after the sale. Really... just try us and find out!

  • We have a knowledgeable Customer Service Team here to help answer any question you might have, from selecting the right product to how to use it. They're all great questions from our point of view.
  • Our trained team of Service Technicians are here to help you with warranty questions, parts selection, even a little advice. In fact, that's their specialty.
We believe that a great product experience requires not only a good product, but also exceptional service after the sale. That's why we stock parts inventories and have developed a knowledgeable team of experts whose sole mission is to help you. We want to deliver the best possible experience no matter what your need.


In order for your product's warranty to be valid, you must do one of the following:

  • Complete and return the warranty card with a copy of your purchase receipt to LEM Products at 4440 Muhlhauser Rd., Suite 300, West Chester, OH 45011-9767.
  • Scan and email your warranty card and a copy of your receipt to
  • Register your warranty online. You will still need to mail or email to us a copy of your purchase receipt.
Regardless of how you submit your warranty registration, you MUST submit a copy of your purchase receipt along with your warranty registration. This information is REQUIRED to exercise your product warranty. RETAIN ORIGINAL RECEIPT FOR WARRANTY VALIDATION.

Visit Warranty & Recall for complete Warranty information.