SURPASSHOBBY KK 2445 3000KV 3600KV 5400KV Waterproof Brushless Motor for Traxxas HSP 1/16 RC Drift Racing Climbing Off-road Monster Buggy Car Features: 1.4 Pole 12 Slot Hi-torque Motor Design. 2.High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings Maximizes Efficiency, High RPM ABEC5 Oversized Bearings. 3.Universal fit, for all 1:16 2S RC car. 4.Precision balanced rotor,smoothness for best reliability and maximum RPM. 5.Stator - Super Thin (0.35mm) Laminations. Description: 1.This professional brushless motor comes with high quality. 2.Removable/Replaceable Rotor, Precision Engineered for Maximum Energy Conversion. 3.It is a good choice for RC fans. Specifications: Brand:SURPASSHOBBY Series:KK Name: 2445 RC Motor Color: red KV(RPM/Volt): 3000KV/3600KV/5400KV Optional Watt:500 Max RPM: 50000 Max voltage: lt;14.8V Max amps: 32A Rotor poles: 4 Diameter: 24mm Length: 44.5mm Shaft:2.3mm Shaft length: 12mm Connector: 3.5mm gold Weight:83g Package Information: Package size:90 x 58 x 35mm/3.54 x 2.28 x 1.38in Package weight:107g/3.77oz General Box Package Package Included: 1 x SURPASSHOBBY KK 2445 Brushless Motor 1 x English Manual