HPI Shock Shaft 4mm (2pcs) [160187] Tonecheer The BNF Basic version is

HPI Shock Shaft 4mm (2pcs) [160187] Tonecheer The BNF Basic version is The BNF Basic version is also equipped with enhanced AS3X+ technology that smooths out the effects of wind and turbulence better than ever before FeaturesNewly designed cylinder head is adopted along with the increased displacementInternal capacity of the combustion chamber has been expanded to achieve a more 4 stroke exhaust sound and power feelComes with an F 4051 silencerDrive washer has been changed to a machined aluminium keyway typeAdditional standard equipment is a set of lock nuts that prevent the propeller from coming offBy increasing the stroke