I have same issue those heads are garbage i have bought 3 of the 4r blade heads have to rebuild them every 10 flights new bearings have to add shims flywing bell 206 gen 3 new head is 2 blade single feathering shaft they will be available in december 2022 flywing rc store
Even on the 2 blade head they wobble heli from Helidirect
I have the same problem from Helidirect
I have same issue those heads are garbage i have bought 3 of the 4r blade heads have to rebuild them every 10 flights new bearings have to add shims flywing bell 206 gen 3 new head is 2 blade single feathering shaft they will be available in december 2022 flywing rc store