O.S. MAX-R21 On-Road 9115 Motor: 46/55 størrelse nitromotor eller

Motor: 46/55 størrelse nitromotor eller tilsvarende elmotor

parallel battery connection

Motor Limit (550 size): 19 turns (molex)/12 turns (High-Current Connectors)

Batteri: medfølger

men også børn kan bruge den - også de helt små børn

O.S. MAX-R21 On-Road 9115 Motor: 46/55 størrelse nitromotor ellerO. S. MAX R21 Racing Engine Most of the parts have been newly designed based on the O. S. SPEED R2102, which is a high end model, to achieve both the ease of handling and the high performance required of the 21 Racing Basic Engine. An affordable price is one of the attractions. The perfect power plant for rookies and club racers Newly developed crankshaft and piston liner with the capability to upgrade later to a spec class performer RP7 Turbo glow