The Spektrum™ Firma™ 3100Kv Sensorless Brushless Motor is designed specifically for the ARRMA® TYPHON™ 4X4 3S BLX 1/8th SMART Buggy running a 2S-3S LiPo. It features a low-cog 4-pole rotor, CNC machined aluminum housing, insulated high-purity copper windings, a high-quality alloy steel 5mm output shaft, and precision bearings for durability and smooth rotation. It is perfectly matched for the Spektrum SLT 80 Amp Brushless ESC/Receiver.