JP 65mm w/ 5mm Axle Brake system, AF Model L-39/MB339/Diamond Turbine/EDF Version for AF Model 12 CH L-39 Albatros 105mm V2 PRO / 12 CH L-39 Albatros / 12 CH Aermacchi MB-339 / 12 CH Aermacchi MB-339 105mm / 8 CH Diamond / 8 CH Diamond 105mm RC Planes