Axial AXI-2156 Boulder 550 21T Motor Cup Racer Parts and this car had a

and this car had a 30kg weight reduction and employed 1

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Axial AXI-2156 Boulder 550 21T Motor Cup Racer Parts and this car had aThis Axial Boulder 550 is a 21 turn, 550 size brushed motor built for higher torque and pulling power than a standard 540 size motor. The longer 550 form factor gives it more winding surface area, which translates into stronger low end torque for climbing hills and grinding through technical trail obstacles, along with better heat handling during extended hard use. It's a direct upgrade or replacement option for Axial crawlers that use a 550 size