One-way bearing hub / main gear not only allows auto rotations but also prevents the gears from stripping when using powerful brushless motors and lithium batteries.
Aluminum Swashplate ECO (90 120 CCPM)
For ECO
Machined from aluminum. Brass balls included. Will work with both 90 and 120 collective setups. Steel center ball. Ultra light. CCPM mixing is a must have on the ECO so you can move away from mechanical mixing and further reduce total weight