Features: 4 Poles 12 Slot Hi-torque Motor Design CNC Machined 6061 T6 Billet Aluminum Heatsink Can High Purity Copper Windings Maximizes Efficiency High RPM ABEC5 Oversized Bearings Universal fit , fit all 1/10 1/12 1/14 1/18 brushless cars-multi-mounting system for M3 screws Precision balanced , smoothness for best reliability and maximum RPM Stator-Super Thin(0.2mm)Laminations Removable/Replaceable Precision Engineered for Maximum Energy Conversion. type: 1900KV Material: Metal colour: As shown Package Contents: 1 x 3670 Brushless Motor Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.