Detail 01
#7 Medium weight
This is the medium-weight bearing-and-linkage oil.

Independent shopping perspective
Berp Bio Rotor Oil #7 is a medium-weight oil designated for bearings and linkages, supplied in a 1 oz. bottle. Developed from plant-based materials, it is part of a viscosity range rather than a one-weight formula. For rotor maintenance, its purpose is specific: use it when you need the medium-weight bearing-and-linkage option. Berp describes the product’s sourcing as carrying no carbon footprint.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
This is the medium-weight bearing-and-linkage oil.
Detail 02
The bottle contains 1 oz. of oil.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
It is a medium-weight oil for bearings and linkages.
Yes. Berp Bio Rotor Oil is available in a variety of viscosities.