This is the TrakPower 6.5T 5,500kV Sensored Brushless Motor.

FEATURES: Designed specifically for 1/10 scale on and off-road competition
          ROAR and IFMAR compatible
          Ribbed CNC aluminum case provides more surface area for heat
            dissipation, vent holes increase air flow
          Rotors are sintered to handle higher temperatures
          Mechanical timing allows fine tuning of RPM and torque
          Heavy duty solder tabs
          Rebuildable
          120 day limited warranty through TrakPower beginning at date of
            purchase

INCLUDES: TrakPower 6.5T Sensored Brushless Motor with Sensor Wire, Sensor Clip
            Screw, and Instructions

SPECS:    Input Voltage: 2-3S LiPo
          kV Rating: 5,500
          Dimensions: 1.4 x 2.06" (35.9 x 52.4mm)
          Shaft Length: 0.59" (15mm)
          Shaft Diameter: 0.125" (3.175mm)
          Weight: 6oz (170g)

                                                                   jxs 12/05/12
                                                                         ir/jxs