Marathon M3 Complete Set : Max Speed: 35,000 rpm Torque: 2.9 Ncm Compact size 45W Micromotor Engine (Marathon M3): 1 x Micromotor engine(M33E) Control Box and Foot Pedal (Marathon M3): 1 x Control box 1 x Foot Pedal  Complete Set (Micromotor Engine+Foot...