Kamerar Universal Lens Gear - $23 -
This spare lens gear works with any follow focus with a .8 pitch gear. Purchasing these spare Universal Lens Gears can save you time and speed up your production by adding one gear for each lens in your production.
Tilta Follow Focus Ring - $7 - more in soon
(FR-T03) This spare lens gear works with any follow focus with a .8 pitch gear. A low-cost adjustable focus ring, but the rubber is less flexible than the Kamerar Lens Gear.
Find Follow Focus and accessories here