Electron ER-30 Classic Set A (Special Order Custom Set)Electron ER 30 Set A (Special Order Custom Set) Small and light without compromising power Despite its small size and light weight, the ER30 is still surprisingly powerful and resilient. With its main cage and parts being milled from solid 7075 T6 aviation grade aluminium, it is capable of working day in and day out from any kind of runway with models of up to 8kg. Spindle designed for better performance Electron Retracts ER 30 now comes with a unique