Heat-treated steel shaft, more , not easy to break, explosion-resistant bearings, N52 double- magnets, higher efficiency New design, no longer using old retaining rings, more beautiful and Using single-strand winding, higher performance Easy to use, wide range of applications KV:1700KV Configu-ration:12N14P Bearing Shaft:4mm Output Shaft:5mm Motor Dimension(Dia.*):33.5mm x 17.5mm Weight(g):47.9 Idle current(10)@10V(A):1.9A No.of Cells(Lipo):3~4S Max Continuous Power(W)60S:900W Internal Resistance:45m Max Current(60S):55A AWG:18#200mm Propeller:6~7inch (Due to different batches, the printed words on the product will be different, which does not affect use) Colour:Black Material:Metal Package Contents: 1 x Brushless Motor 4 x Hexagon Socket Cap Screws 1 x M5 Flange Nut Positive Teeth 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.