65Drones DYS SE2205 2550Kv Special Edition FPV Racer motors Pair (1 x CW and 1 x CCW) KV: 2550, N52 Magnets, NMB Bearings, M5 Hollow Shaft Stator Diameter: 22.0mm Stator Length: 5.0mm Shaft Diameter: 3.0mm Motor Dimensions(Dia.*Len): 27.719.0mm, Weight (g): 30g, No.of Cells(Lipo): 3-5S, Max Continuous current(A): 27.8A, Max Continuous Power(W): 411.4W