PRE ORDER Extremely tough motor axle Dimpled armature for weight balance Heat resistant enameled wire up to 200‰̣ۡÌã Glued wire to withstand high temperature and speed, prevent loosening High conductive motor brush and commutator Equipped with steel pinion gear Heat resistant high performance rare-earth magnet Ball bearings inside metal case and nylon end bell Machined aluminum bushing with ball bearings NOTE: Not recommended using setups of springs with ratings below M120SP, the high speed/torque nature of the motor may cause damage to internal parts of the gearbox. (AIRSOFT ONLY)